Answer:
10x^3+14x^2-25x-35
Step-by-step explanation:
f(x) = 2x^2 -5
g(x)= 5x+7
f(g(x)) = (2x^2 -5)(5x+7)
5x(2x^2 -5)+7(2x^2 -5)
10x^3-25x+14x^2-35
10x^3+14x^2-25x-35
The correct answer is right.
An acute one would have all three acute, while an obtuse one would have at least one obtuse angle.
Answer:
They jump at the same height.
Step-by-step explanation:
.8 meters=2.62467 ft
80cm=2.62467 ft