SAT Math Practice Question #38379 - SATify | SATify

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SAT Math Practice Question #38379 - SATify | SATify

#38379

linear

functions

hard

90 sec

A linear function $f$ satisfies $f (1) = 5$ and $f (4) = 17$ . If $f (x) = m x + b$ , what is the value of $b$ ?

A.

1

B.

2

C.

3

D.

4