Question

Let the function f(x) have the form f(x) = Acos(x - C). To produce a graph that matches the one attached inside, what must the value of C be?

A. 4

B. 3

C. 2

D. 1

**my answer; C. 2
not 100% sure tho... is that right?

Answer 1

graph :)

Answer 2

Do you recognize what C is in the equation?

Answer 3

the period?

Answer 4

C is the amount the graph is shifted to the right or the left.

Answer 5

ohhhh... okay, nvm then. i didn't know it... so i take it it's not 2 then?

Answer 6

The high point of a cosine is normally on the y axis. Where is the high point of this graph?

Answer 7

urrmm 2 right?

Answer 8

Do you know what I mean by the "high point"

Answer 9

the peak of the curves right?

Answer 10

yes

Answer 11

So where is the peak?

Answer 12

i thought it was at 2 right?