Question

Which of the following could be an example of a function with a domain (-∞,∞) and a range (-∞,2)? Check all that apply.

A. y=-3^(x)+2
B. y=-3^(x)-2
C. y=-.25^(x)-2
D. y=-.25^(x)+2

Are the answers A,B, an C??

Answer 1

not c but D**

Answer 2

range a yes
b no
c no
d no

Answer 3

range of d is
\[(\infty,2]\]

Answer 4

how do you figure that out?

Answer 5

careful with the inequality. if x = 0 d give 2

Answer 6

wrong wrong i am wrong

Answer 7

i thought it was
\[.25x^2+2\] but it is not sorry. i should learn to read

Answer 8

a and d is right

Answer 9

my mistake