SAT Math Practice Question #10986 - SATify | SATify

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SAT Math Practice Question #10986 - SATify | SATify

#10986

functions

linear

medium

75 sec

In the $x y$ -plane, the graph of the linear function $k$ passes through the points $(4, 10)$ and $(6, 15)$ . What is the equation of $k (x)$ ?

A.

$k (x) = \frac{5}{2} x$

B.

$k (x) = 2 x + 2$

C.

$k (x) = \frac{2}{5} x + \frac{42}{5}$

D.

$k (x) = 5 x - 10$