Cracking The SAT Premium

(Marvins-Underground-K-12) #1
Based   on  the system  of  equations   above,  what    is  the value   of  10a ?
A) –10
B) –1
C) 3
D) 30

16 .Isabella has $1,000 to invest and explores a number of options at her local bank. After
learning about her options, she decides to deposit her $1,000 into a high-yield savings
account that compounds at an annual rate of 4%, compounded quarterly. The banker tells
Isabella that her projected earnings in dollars, P, as a function of time in years, t, can best
be represented by the equation P(t) = 1000(1.01)^4 t. Which of the following graphs best
illustrates Isabella’s projected earnings over time?
A)


B)

C)

D)

17.
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