Answered

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1.Which one is an exponential function?

1. f(x) = 2(x + 4) + 3
2. h(x) = x
2
-8
3. f(x) = 3x + 5
4. g(x) = 2
x +2

Sagot :

Aaryankarki

Answer:

1.=2x +8+3

= 2x+11

2= x.

3.=let f(x) be y then,

y=3x+5

or,

Interchanging x and y

x=3y+5

x-5/3 = y..

Therefore,f(x)=x-3/5

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