Write the formula using the "language" of variation. I = PRT, where I is the simple interest on a principal of P dollars invested for T years at an interest rate of R per year
What will be an ideal response?
Simple interest varies directly as principal, rate of interest, and time.
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Simplify.
A. y2
B. y4
C. y
D. 2
Find the requested function value of ?.Find csc ?, if sin ? = 0.71.
A. -1.408 B. 0.704 C. 1.408 D. -0.704
Find a polynomial with the given zeros.
?
?
A. ?
B. ?
C. ?
D. ?
E. none of these
Solve the problem.Since life expectancy has increased in the last century, the number of Alzheimer's patients has increased dramatically. The number of patients in the United States reached 4 million in 2000. Using data collected since 2000, it has been found that the data can be modeled by the exponential function 
where x is the years since 2000. Estimate the Alzheimer's patients in 2025. Round to the nearest tenth.
A. 3.9 million B. 4.8 million C. 8.0 million D. 7.8 million