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) If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by...
3.) If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(7.8), the velocity of the object at time t = 7.8 seconds.
A. V(7.8) = 257.6 ft per sec
B. V(7.8) = 260.9 ft per sec
C. V(7.8) = 259.6 ft per sec
D. V(7.8) = 258.9 ft per sec
E. None of these
4.) How can the graph of be obtained from the graph of ?
A. Shift it horizontally -7 units to the left. Reflect it across the x-axis.
B. Shift it horizontally 7 units to the left. Reflect it across the y-axis.
C. Shift it horizontally 7 units to the right. Reflect it across the x-axis.
D. Shift it horizontally 7 units to the left. Reflect it across the x-axis.
E. None of these
