Answer:
If it is f(4) it is 15
Step-by-step explanation:
f(x)=x2+7
f(4)=(4)2+7
f(4)=8+7
f(4)=15
equation for perpendicular bisector passing through CB is;
y=⁴/³– 5/30
y=-15x+b
Just move it around and use a calucator
(-20,0) (0,-4)
True
