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d1i1m1o1n [39]
3 years ago
12

Which ordered pairs lie on the graph of the exponential function f(x)=4(5)^2x

Mathematics
2 answers:
Hatshy [7]3 years ago
8 0

A. (-1, 4/25)

D. (2, 2500

Are the answers

sp2606 [1]3 years ago
5 0
There are four inputs:  {-1, 0, 1 and 2}.  Let x=-1 and find y.  Let x = 0 and find y.  And so on.  You will find that only the input -1 produces the y-value predicted by the function f(x) = 4(5)^(2x). 

Note that if you use a calculator to evaluate f(x), be certain to enclose "2x" inside parentheses:  f(x) = 4(5)^(2x)
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