SAT Math Practice Question #30677 - SATify | SATify

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SAT Math Practice Question #30677 - SATify | SATify

#30677

linear equations

functions

linear

easy

45 sec

For the linear function $f$ , the graph of $y = f (x)$ in the xy-plane has a slope of 3 and has a y-intercept at $(0, 4)$ . Which equation defines $f$ ?

A.

$f (x) = 3 x + 4$

B.

$f (x) = 4 x + 3$

C.

$f (x) = - 3 x + 4$

D.

$f (x) = \frac{1}{3} x + 4$