Answer:
341.3
Step-by-step explanation:
f(-1)=4(-1)+10
=-4+10
=6
So the sum of 128 and x+10 is on a straight line which is 180º right?, so:
x + 10 + 128 = 180
x = 180 - 128 - 10
x = 42º
quadrillion, hope this helps