If your taking about question three, the answer would be B.) because an exponent added to a number is basically the number multiplied by itself by them number amount in the exponent(example: 5 to the power of 2 would be 5x5).
Answer:
D.
Explanation:
A is linear, you can figure out that y=x+5
B is linear, y=22(x+1)
C is linear, y=8x+5
D is exponential, y=3ˣ⁺¹
Deriving these formulas is a matter of trial and error if you know you can choose between linear and exponential.
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