Answer:
plug n and r into the equation for the answers.
Step-by-step explanation:
Answer:
Step-by-step explanation:
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Answer:
55°
Step-by-step explanation:
if the middle is straight, then x+35°=90°
Answer:
F(x)=2x^2
Step-by-step explanation:
Basically, a quadratic function has x^2 in it (standard form ax^2+bx+c with non-zero a). The others have x^3, -x, x^4, etc., which clearly are NOT x^2.