7. if $f(x)=4x^{2}+12$, find and simplify $\frac{f(a + h)-f(a)}{h}$, where $h\neq0$.\n$4a +…
7. if $f(x)=4x^{2}+12$, find and simplify $\frac{f(a + h)-f(a)}{h}$, where $h\neq0$.\n$4a + 8h$\n$4h+16a$\n$8a + 4h$\n$4h + 4a$\n$12h+8a$
7. if $f(x)=4x^{2}+12$, find and simplify $\frac{f(a + h)-f(a)}{h}$, where $h\neq0$.\n$4a + 8h$\n$4h+16a$\n$8a + 4h$\n$4h + 4a$\n$12h+8a$