Answer:
Step-by-step explanation:
B i think
Your answer for this is 86.49
(f + g)(x) means f(x) + g(x)
So, you just input the function of f(x) and g(x) altogether, then simplify it.
(f + g)(x)
= f(x) + g(x)
= 2x² + 1 + x² - 7
= 2x² + x² + 1 - 7
= 3x² - 6
The answer is b
Answer:
B. False
Step-by-step explanation:
Remember

so let's rewrite them
25=5^2
so




yep, that's definitely true