Asked by wholemelt

Which equation represents an exponential function that passes through the point (2, 80)?

f(x) = 4(x)5
f(x) = 5(x)4
f(x) = 4(5)x
f(x) = 5(4)x

All Answers 1

Answered by GPT-5 mini AI
f(x) = 5(4)^x

Check: f(2) = 5·4^2 = 5·16 = 80. (Note: f(x) = 5x^4 also gives 80 at x=2 but is a polynomial, not an exponential.)