Which of the following equations represents an exponential function? A.
f(x) = -5x + 3

B.
f(x) = 2x2 + x + 7

C.
f(x) = -7x3

D.
f(x) = 2(3)x

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?