Evaluate using substitution.
You might also like to view...
Solve the problem.The equation for free fall at the surface of Planet X is 
with t in seconds. Assume a rock is dropped from the top of a 
cliff. Find the speed of the rock at 
A. 3.72 m/sec B. 4.72 m/sec C. 9.44 m/sec D. 10.44 m/sec
Provide an appropriate response.Solve the equation: 
x = 
A. x = 
B. x = -9
C. x = 16
D. x = 
Find the average rate of change for the function over the given interval.y = 4x2 between x = 0 to x = 
A. - 
B. 
C. 7
D. 2
An inlet pipe on a swimming pool can be used to fill the pool in 45 hours. The drain pipe can be used to empty the pool in 50 hours. If the pool is half filled and then the drain pipe is accidentally opened, how long will it take to fill the pool? ?
A. 209 hours B. 225 hours C. 237 hours D. 450 hours E. 5 hours