In the linear function f, f ( 0) =8 and f ( 1) = 12.
MATHEMATICS
SAT 2021
In the linear function f, f ( 0) =8 and f ( 1) = 12. Which equation defines f ?
- A) f (x ) = 12x + 8
- B) f (x ) = 4x
- C) f (x ) = 4x + 12
- D) f (x ) = 4x + 8
Correct Answer: D) f (x ) = 4x + 8
Explanation
only the f(x)=4x+8 satisfies the linear equation when proven; f(0)=4(0)+8 f(0)=8 f(1)=4(1)+8 f(1)=4+8 F(1)=12
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