A; the coordinates in that point make M equidistant from H and F.
3(5b-1)=5
Get rid of the brackets
15b-3=5
add 3 to both sides of the equation
15b=8
divide both sides of the equation by 15
b=0.53
4(3y-1)=20
12y-4=20
12y=24
y=0.5
F+g(x) = f(x) + g(x) = 3x-1 + x+2 = 4x+1
Answer:
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First you need to divide 7 and 15, and the answer you get is 8, so 8+7=15. 8 will be your answer.