Question

Please help!

The range of the function y = secx - 2 is all reals except

-3 12 years ago

Answer 1

What does sec equal to?

Answer 2

1/cos!

Answer 3

What is the range for cosine?

Answer 4

it is (-1,1)

Answer 5

So if that is true what is the range for sec or (1/cos)?

Answer 6

the range for sec is (-infinity , -1] U [1 , +infinity)!

Answer 7

Right so sec cannot be from -1 to 1 correct. Plug those to numbers into your equation to be the numbers that x cannot be.

Answer 8

1<y<3??

Answer 9

y= -1 -2 y=-3
y= 1 -2 y= -1

Answer 10

that would be -3<y<-1 correct?

Answer 11

Yes

Answer 12

the overall answer would be -3<y<-1??

Answer 13

:-} yes

Answer 14

could you also check if im correct??

The graph of y = tanx + 1 crosses the y-axis at _____.


-1
0
1 <<< (:
2

Answer 15

Looks good to me