14 slides
Which of the following is an exponential function?
y = x2
f(x) = 3x3
y = x3
f(x) = 3x
What is the initial value in y=4(2)x
4
2
x
What is the y-intercept in y=4(2)x
(4,0)
(0,2)
x
(0,4)
(4,2)
What is the starting amount in the problem below?
f(t) = 300(1.05)t
300
1.05
t
y
What is the growth rate in the problem below?
f(t) = 300(1.05)t
300
1.05
t
y
What is the common ratio for the function f(x) = 25 (4)x
25
4
b0 =
-1
0
1
The y-intercept for any function in the form
y=bx
(0,0)
(0,1)
(1,0)