Use a calculator with a 
key or a 
key to solve the problem.The exponential function 
describes the price P, in dollars, of a movie ticket in a local cinema in year x, assuming a yearly inflation rate of 
What was the original ticket price (year 0)? What will the price be in year 9?
What will be an ideal response?
The original price was 
. The price of the ticket will be
in year 9.
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Solve the problem.A cost-benefit model expresses the cost of an undertaking in terms of the benefits received. One cost-benefit model gives the cost in thousands of dollars to clean up x percent of an oil spill as
Another model produces the relationship 
Find the cost function found by averaging the two models. Simplify the expression for this function by performing the indicated operations.
A. c(x) = 
B. c(x) = 
C. c(x) = 
D. c(x) = 
Complete the sentence so the result is an identity. Let x be any real number.cos x = (cot x)( )
A. sec x B. sin x C. csc x D. tan x
Factor when possible.x2 + 2xy - 63y2
A. (x + 7y)(x + y) B. (x + 7y)(x + 9y) C. (x - 7y)(x + 9y) D. Prime
Write the decimal as a percent.0.0094
A. 0.94% B. 0.00094% C. 0.094% D. 0.47%