Question

calculus help plz:( pic below

Answer 1

which one(s)?

Answer 2

5) E

Answer 3

alll 3

Answer 4

oh okay i get why 5 is E now , thanks

Answer 5

for 4, re-arrange it to a f(x)

\[f(x) = y = \pm \sqrt{4 - \frac{ x^2 }{ 4 }}\]

Answer 6

horizontal tangent line means y' = 0. the slope is zero

Answer 7

so its A?

Answer 8

nope. take the first derivative.

and you can also look at the graph of the original equation and get/confirm your answer


for the first one. draw the points you know and deduce what must be true

Answer 9

take the derivative of x^2 +4y^2=16?