Question

which of the following is the graph of
f(x)=5 cos(2x) ?

i think its between A and B

Answer 1

thats option A

Answer 2

this is option B

Answer 3

2 options?

Answer 4

yes, well there are four options but when i graphed this i narrowed it down to these two because i am not quite sure which one resemnbles the graph or not

Answer 5

Can you give me a guess, and why? your answer is actually in the choices you showed

Answer 6

this is the graph

Answer 7

i chose those two options because they both start off with having their points on the 'y' axis on 5

Answer 8

@dtan5457

Answer 9

True, but the amplitude of the graph is 5.

that means the max is 5, but the min is -5.

Answer 10

there is no phase shift, so the min must be -5

Answer 11

so it would be this option C?

Answer 12

@dtan5457

Answer 13

@dtan5457

Answer 14

@dtan5457

Answer 15

well no, because the period is pi

Answer 16

option c's period is clearly not at pi

Answer 17

so option d?

Answer 18

@dtan5457

Answer 19

are you still there @dtan5457 ?

Answer 20

yeah, and no

Answer 21

like yest it is c? but why do you believe it isnt? or are you telling me youre not here? lol @dtan5457