Answer:
-15
Step-by-step explanation:
start from the inside and go out.
So first plug in -3 into g(x)
g(-3) = -3 - 7 = -10
then plug in -10 into f(x)
f(-10) = 2(-10) + 5 = -15
so f(g(x)) = -15
It's a binomial times a binomial, so you FOIL
First multiply the First numbers
3z*z = 3z(^2)
Then multiply Outers:
3z* -4 = -12z
Nest, Inners:
9*z = 9z
Finally, the Lasts:
-4*9 = -36
Then, throw it all together in descending order, starting with the variable of highest degree to lowest:
3z^2 - 12z + 9z - 36
Last of all, simplify coefficients with like terms and you're good to go:
3z^2 - 3z - 36
Hope this helps!
Answer: Jaleel´s method is correct and the right option is option number D
Step-by-step explanation:
its because 2(x-2)
= 2x-4
note 2 is multiplied with both x and -2!
Answer:
36
Step-by-step explanation:
Answer:
there are 3 answers
Step-by-step explanation:
the original is 23 1/2
Now he can do 23
or he can do 22
