Question

The graph of the function f(x) = 5^x - 12 contains the point (2 , y).

What is the value of y ?

Answer 1

f(x) = 5^x - 12

(x,y)
so at the point x = 3, y = ?
(3,y)
f(x) = 5^x - 12
f(3) = 5^3 - 12
f(3) = 125 - 12
f(3) = 113
so y = 113 when x = 3
point is
(3,113)

now u try, if x = 2
(2,y)

==> ????

Answer 2

@kaydra14 ...u there?

Answer 3

are u ok with the above example... do u need anything explained more?

Answer 4

kaydra how are you going with this?

Answer 5

no i got , i am working it out now

Answer 6

sweet ;)

Answer 7

thank you

Answer 8

np c:
what did u get?

Answer 9

is the right answer ( 2,13 )

Answer 10

yep!