F(g(7))= f(2×7+2)= f(16)= 4×16+21=85
Therefore: the answer is 85
Hope that helps!!
Answer:
answer 1 b
Step-by-step explanation:
answer 2 d
Answer:

Step-by-step explanation:
Step 1: Simplify square roots
√72 = 6√2
√50 = 5√2
So, 
Step 2: Cancel like terms

Step 3: Rewrite
And we should get our answer!
Y = -6x + 3
In y = mx + b form, the slope will be in ur m position...
y = mx + b
y = -6x + 3
so ur slope (the number in the m position) is -6
Answer:38.26 because 2+38=40
40-1.74 =38.26