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How does f(x) = 8x change over the interval from x = 1 to x = 2? A) f(x) decreases by a factor of 1 B) f(x) increases by a factor of 1 C) f(x) decreases by a factor of 8 Eliminate D) f(x) increases by a factor of 8

Respuesta :

Answer:

D

Step-by-step explanation: f(x) increases by a factor of 8

f(1) = 81

f(2) = 82

f(2)

f(1)

=  

82

81

= 82−1 = 8

Therefore, f(x) increases by a factor of 8 over the interval from x = 1 to x = 2.

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