If possible, evaluate the expression at the given value of the variable.
, x = 3
A. 
B. 350
C. - 
D. Undefined
Answer: D
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Solve the problem.A ball is thrown upward with an initial velocity of 28 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time it takes the ball to hit the ground. Approximate the answer to one decimal place.
A. 7.4 sec B. 7.0 sec C. 7.8 sec D. 11.4 sec
Find the inverse function of f. State the domain and range of f.f(x) = 
A. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? - 3}
B. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? 5}
C. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? 3}
D. f-1(x) = 
; domain of f: {
x ? -5}; range of f: {
y ? 
}
Add.
+ (- 
)
A. 1
B. - 1
C. - 
D. 
Simplify.7log7 (5x)
A. 1 B. 5x C. 7 D. 75x