A formula is given, along with values for all but one of the variables in the formula. Find the value of the variable that is not given.A = ?r2 for r = 9, ? = 3.14
A. A = 28.26
B. A = 12.14
C. A = 88.74
D. A = 254.34
Answer: D
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Inflation in a certain country remains constant at 6% per year. That means prices increase by 6% each year.
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A: Explain why prices are an exponential function of time.
?
B: Using 
for initial price, write a formula that gives the price P after t years.
?
C: How long will it take prices to double? Round your answer to two decimal places if necessary.
?
What will be an ideal response?
Write the polynomial f(x) =x 4 + 6x 2 – 27 as the product of factors that are irreducible over the rationals.
a. 
b. 
c. 
d. 
Provide an appropriate response.Divide the polynomial x3 + 3x2 + 5x + 7 by 2x2 - 1 to give the quotient and remainder.
What will be an ideal response?
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. y-axis B. x-axis C. Origin D. x-axis, origin