Precalculus Homework Help: Answers & Questions Page 6

• What is ##ln e^7## without using a calculator?

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• How do you graph ## ln(x-2)##?

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• How do extraneous solutions arise from radical equations?

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• How do you find the explicit formula and calculate term 20 for 3, 9 , 27, 81, 243?

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• What is the end behavior of the sine function?

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• How do I find the x-intercepts of the graph of ##y=x^2-11x+18##?

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• How do you solve ## ln (x – 2) + ln (x + 2) = ln 5##?

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• What are coefficients?

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• For the circle ##(x-1)^2 + (y+1)^2 = 20## in the ##xy##-plane, what is the coordinates of the center, the radius, and the area?

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• How do you evaluate ##ln (1/e)##?

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• How do you solve ##Log 2 + log(4x – 1) = 3##?

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• How do you tell whether a function is even, odd or neither?

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• What is the standard form of the equation of a circle with center (-3,3) and tangent to the line y=1?

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• How do I find the directrix of a hyperbola?

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• The sum to infinity of a geometric series is 32. The sum of the first four terms is 30 and all the terms are positive. What's the difference between the sum to infinity and the sum of the first eight terms?

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• Given ##H = x^2 + 8##, what is ##H^-1##?

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• How do you find the domain and range of a natural log?

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• How do I find the partial sum of an arithmetic sequence?

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• How do you find the center-radius form of the equation of the circle described and graph it. center (-2,0), radius 5?

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• How do I use scientific notation to express a light-year in miles?

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• What is a possible explicit rule for the nth term of the sequence: ##25, 15, 5, -5, -15##?

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• How do you write ##3^2=9## in logarithmic form?

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• What is the end behavior of the square root function?

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• How do I convert the equation ##f(x)=x^2-2x-3## to vertex form?

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• How do I find an inverse matrix on an Nspire?

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• How do you graph ##x^2 + y^2 = 100##?

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• What is the formula for calculating constant percent change?

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• How do you find vertical, horizontal and oblique asymptotes for ##(-2x^2-6x+3)/(3x+9)##?

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• How do you use synthetic substitution to evaluate ##P(x) = 4x^2 - 9x + 2## for ##x=3##?

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• How do I graph a quadratic function on a graphing calculator?

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• What does it mean to differentiate a function?

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• What does the intermediate value theorem mean?

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• The center of a circle is at (4, -1) and it has a radius of 6. What is the equation of the circle?

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• What is pi factorial (or pi!)?

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• What is the transverse axis of a hyperbola?

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• How do you express ln1.5 in terms of Ln2 and Ln3?

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• What is the graph of ##y=sin(x+30)##?

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• What is a monomial function?

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• How do I work with log base e on a calculator?

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• How do you simplify ##lne^4##?

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• How do I graph logarithmic functions on a TI-84?

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• What is the quotient of ##b^3 + 4b^2 – 3b + 126## by b+7?

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• How do you find the slant asymptote of ##f(x) =( x^2 + 3x - 3) / (x+4)##?

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• How does instantaneous rate of change differ from average rate of change?

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• What do ##a## and ##b## represent in the equation of a hyperbola?

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• What is the 7th term of the geometric sequence 3, 9, 27,...?

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• How do you graph the circle with center at (-4, 2) and radius 5 and label the center and at least four points on the circle, then write the equation of the circle?

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• How do you solve ##ln(3x+1)-ln(5+x)=ln2##?

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• How do I solve 'log(base 10) 5' without using the calculator?

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• What is naive Gaussian elimination?

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