If y = f(x) = 2(4)x + c, find the value of “c” that results in a graph with x-intercept at (2, 0). A) −32 B) −8 C) 32

Question

If y = f(x) = 2(4)x + c, find the value of “c” that results in a graph with x-intercept at (2, 0).
A) −32
B) −8
C) 32
D) 8

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Raelynn 2 weeks 2021-11-21T22:44:31+00:00 1 Answer 0

Answers ( )

    0
    2021-11-21T22:45:47+00:00

    Answer:

    Option A) −32

    Step-by-step explanation:

    we have

    f(x)=2(4)^{x}+C

    we know that

    For x=2, f(x)=0 —-> given problem

    so

    substitute the value of x and the value of f(x) in the function above and solve for C

    0=2(4)^{2}+C

    0=2(16)+C

    0=32+C

    C=-32

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