Curve Fitting
What is the exponential function that goes through the points (0, 4) and (2, 16) ?
y=4(2)^x
196^(1/2)
14
True or False:
You can always take the cube root of a negative number.
True
What is the exponential function that goes through the points (2, 4) and (5, 256) ?
y=(1/4)(4)^x
(2/5)^(-2)
25/4
2y=4x-2
2y+x=8
(2, 3)
What is the exponential function that goes through the points (3, 5/9) and (1, 5) ?
y=15(1/3)^x
-6(8)^(-(1/3))
-3
Carson started a bank account and did not make any additional deposits. After 1 year, he had a total of $540. After 5 years, there was $701.28.
How much money did he start with?
What is the interest rate?
$500
7%