SAT Math Practice Question #30678 - SATify | SATify

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SAT Math Practice Question #30678 - SATify | SATify

#30678

linear equations

functions

linear

medium

60 sec

A linear function $g$ is represented by a line in the xy-plane that has a slope of $- \frac{1}{2}$ and crosses the y-axis at $(0, 3)$ . Which equation defines $g (x)$ ?

A.

$g (x) = 3 x - \frac{1}{2}$

B.

$g (x) = - \frac{1}{2} x + 3$

C.

$g (x) = 2 x + 3$

D.

$g (x) = - 2 x + 3$