The triangle ADC and the triangle CDB are similar. Therefore:
Answer: A 4.5
Answer:
I believe it would cost 9 cents per cubic foot of gas.
Step-by-step explanation:
7/10 > 4/10 because 7/10 is bigger than 4/10
7/10 = 0.7
4/10 = 0.4
a) (f+g)(x) = f(x) + g(x) = -4x + 5x = x
b) -9(x) = -9x? I have no idea what this means.
c) (f o g)(x) = (f(g(x)) = f(5x) = -4 (5x) = -20x