Use the laws of exponents to simplify. Do not use negative exponents in your answer.
A. 72
B. 
C. 714
D. 
Answer: D
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Find the total cost.1211 gallons of paintat $3 per gallon
A. $404 B. $1214 C. $1208 D. $3633
Rationalize the denominator and simplify. 
A. 
B. 
C. 13
D. 
Find the domain and range.{(-1,4), (-1,-9), (-11,2), (-7,3), (-5,9)}
A. domain = {-1, 12, -11, -5, -7}; range = {-9, 2, 9, 3, 4} B. domain = {-1, -2, -11, -5, -7}; range = {-9, 2, 9, 3, 4} C. domain = {-9, 2, 9, 3, 4}; range = {-1, -1, -11, -5, -7} D. domain = {-1, -11, -5, -7}; range = {-9, 2, 9, 3, 4}
Solve the problem.The formula y = 
models the relationships needed to focus an image where y is the distance between the film and projector lens, x is the distance between the move screen and the projector lens, and f is the focal length. a) Sketch the graph of this rational function for f = 5 centimeters. 
b) Bob and Carol are showing home movies. Use the graph to describe the desired distance between the film and the projector lens as Carol moves the projector further from the screen.
What will be an ideal response?