Answer:100
Step-by-step explanation: i looked it up
Answer:
h(f(x))=3x-4
Step-by-step explanation:
You combine both F(X) and H(x).
f(x)=x-7 , therefore it is f(x)=1x-7
You add 2x with 1x to get 3x
and 7-3 is -4.
h(f(x))=3x-4
6 watermelons, because each watermelon is 2 kg
Answer:
1) c. 11
Step-by-step explanation:
2) b. 4x² + 4
I hope these are correct its been a while since ive done these.
Answer: x = 7 or x = -8
x² + x - 56 = 0
⇔ x² + 8x - 7x - 56 = 0
⇔ x(x + 8) - 7(x + 8) = 0
⇔ (x - 7)(x + 8) = 0
⇔ x - 7 = 0
or x + 8 = 0
⇔ x = 7 or x = -8
Step-by-step explanation:
