Answer:
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Step-by-step explanation:
Hey friend here's your ans from India..
Answer:f(1)=-4, f(1)=1
Just substitute the value to the x, Like this.
F(x)=x²+2x-7
F(1)=(1)²+2(1)-7
=1+2-7
=3-7
=-4
Step-by-step explanation:
11a^3 + 6 - (-7a^3 + 7)....distribute the - through the parenthesis
11a^3 + 6 + 7a^3 - 7....combine like terms
18a^3 - 1 <===
Answer:
(16)(1) => identity property of multiplication
2(3+7) = 2(3) + 2(7) => distributive property
(2+6) + 3 = 2+ (6+3) => associative property
9+0 = 9 => identity property of addition
8 x 4 = 4 x 8 => commutative property