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umka21 [38]
3 years ago
5

How do I️ know if it is a A or D?

Mathematics
1 answer:
kherson [118]3 years ago
6 0
Answer is D.

y intercept is a constant (represented by 'd'), so set x=0 in each case.

for A,
h(0) =  - 3{d}^{0}  =  - 3
the function at the y intercept is not equal to variable d.

whereas for D,
h(0) = d( {3}^{0} ) = d
this answer shows that d is the solution to the equation at the y intercept.

of course the solution to B and C are
h(0) = 0
So they can't be right either.

so D is the answer.
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