Question

For this function (attached below) what is the maximum value?

Please explain answer. Thank you!

Answer 1

recall the cosine function range is from -1 to 1

Answer 2

the maxiumum the cosine term can be is +1

Answer 3

or 4*cos(u) maximum of 4

Answer 4

so what is the overall maximum of y(x)?

Answer 5

the absolute maximum would not be 4, since the function is shifted 3 units down.

Answer 6

i think he took that and ran with it , forgetting about the -3 hah

Answer 7

-:(

Answer 8

the absolute minimum is extended though, from -4 to be -7.

Answer 9

I wouldn't want to use calculus for this function even if I was asked to.... jk

Answer 10

yeah
-7<=y<=1

Answer 11

you can use an alt code 755 and 754

Answer 12

or could have, if not a stupid glitch with question makrs

Answer 13

*marks

Answer 14

≤≥

Answer 15

yeah, i usually just type the le ge in the latex thing

Answer 16

I mean the codes:
Click AL:T and hold it
Click 7 5 5 on the number pad on the left.
you get: \(\large\color{black}{ \le }\)

have you clicked 7 5 4 you get: \(\large\color{black}{ \ge }\)

Answer 17

there are codes for all of those, and by the way a super space that can be put on yahoo (for example) many times, without it have all turn into 1 space,
(visible differently in some word docs)
with alt code 2 5 5.