Question

Which graph models the function f(x) = −4(2)x?

Answer 1

Answer:

C) exponential function going through point 0, negative four and ending down on the right

Step-by-step explanation:

The given function is

$f(x)=-4(2^x)$

When $x=0$,

$f(0)=-4(2^0)$

$f(0)=-4(1)$

$f(0)=-4$

The graph passes through $(0,-4)$.

The negative factor will cause the graph to be reflected in the x-axis.

Therefore the graph will end down on the right.

The correct choice is C

Answer 2

Answer: C) exponential function going through point 0, negative four and ending down on the right

Step-by-step explanation:

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