The function $h$ is defined by $h(x)=4x+28$. The graph of $y=h(x)$ in the $xy$-plane has an $x$-intercept at $a,0$ and a $y$-intercept at $0,b$, where $a$ and $b$ are constants. What is the value of $a+b$?
MM
Mashaal Masha
Mar 20, 2024
The function $h$ is defined by $h(x)=4x+28$. The graph of $y=h(x)$ in the $xy$-plane has an $x$-intercept at $(a,0)$ and a $y$-intercept at $(0,b)$, where $a$ and $b$ are constants. What is the value of $a+b$?