sethhdoty
20.08.2019 •
Mathematics
Find f(x) + g(x)
f(x)= 2x^2 - 4x-3
and
g(x)=2x^2+16
a) 4x^2-4x-19
b) 4x^2-4x-13
c) 4x^2-4x+13
d) -4x-19
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Ответ:
C
Step-by-step explanation:
f(x) + g(x)
= 2x² - 4x - 3 + 2x² + 16 ← collect like terms
= (2x² + 2x² ) - 4x + (- 3 + 16)
= 4x² - 4x + 13 → C
Ответ:
no need to go any further because the only answer choice that has a slope of 1/2 is : y = 1/2x + 6