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 following system of equations.
?
Round your answers to two decimal places.
What will be an ideal response?
Write an equivalent double integral with the order of integration reversed.
A. 
B. 
C. 
D. 
Solve. Write results using scientific notation.The following equation gives the number of atoms in 390 g of fluorine. How many atoms are there? A = 390 g Fl x 
x 
A. 4.46 x 1026 atoms B. 2.93 x 1024 atoms C. 1.23 x 1025 atoms D. 1.24 x 1025 atoms
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.The height of a bouncing ball during one bounce, as a function of time.
A. quadratic; negative B. quadratic; positive C. linear; positive D. linear; negative