SAT Math Practice Question #10984 - SATify | SATify

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SAT Math Practice Question #10984 - SATify | SATify

#10984

functions

linear

medium

75 sec

The graph of a linear function $f$ passes through the points $(1, 5)$ and $(3, 13)$ in the $x y$ -plane. Which equation defines $f (x)$ ?

A.

$f (x) = 4 x + 1$

B.

$f (x) = 2 x + 3$

C.

$f (x) = - 4 x + 9$

D.

$f (x) = \frac{1}{4} x + \frac{19}{4}$