They are proportional because as one goes up, so does the other.
Answer:
Step-by-step explanation:
30F + 55S = 45(437.5)
30F + 55S = 19687.5
30F = 19687.5 - 55S
F = (19687.5 - 55S) / 30
30((19687.5 - 55S) / 30) + 55S = 19687.5
S = 0 (30%)
F = (19687.5 - 55S) / 30 (55%)
Answer:
For finding f(g(x)) ~ (x - 4) = 3x^2 - 26x + 57
For finding g(f(x)) ~ g (3x^2 - 2x + 1) = 3x^2 - 2x - 3
Step-by-step explanation:
Answer:
-7,1
Step-by-step explanation:
x^2+14x+49=0
x^2+14x/2=0-49
x^2+7x=-49
x^2+(7x)²=-49+49
x²+7x²=0
(x+7x)²=0
√(x+7x)²=0
x+7=0
x=-7,1