Desmos Graphing Calculator

CalcReferenceCopy

Math·Algebra·Linear functions

medium

For the linear function $p$, $p(c)=-6$, where $c$ is a constant, $p(5)=42$, and the slope of the graph of $y=p(x)$ in the $xy$-plane is $8$. For the linear function $t$, $t(c)=-7$ and $t(6)=56$. What is the slope of the graph of $y=t(x)$ in the $xy$-plane?

A

$-1$

B

$2$

C

$8$

D

$9$