Question

Which ordered pairs lie on the graph of the exponential function f(x)=128(0.5)^x ? Choose ALL correct answers.

A.
(0, 1)

B.
(1, 64)

C.
(3, 16)

D.
(8, 0.5)

B and C? someone please help

Answer 1

B yes

C 128(0.5)^3
128*.125 = 16 yes

D 128*.5^8
= 128* .00390525 = 0.5 YES !!!!!

Answer 2

Answers are:


B. (1,64) and

C. (3,16)
Hope this helps