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Suppose the function f(x) = 2x + 12 represents the cost to rent x movies a month from an internet movie club. Sarah now has $10. How many more dollars does Sarah need to rent 7 movies next month?
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
Solve the system. y=5x + 5 and y=15x - 1
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
Cell phone Company Y charges a $10 start-up fee plus $0.10 per minute, x. Cell phone Company Z charges $0.20 per minute, x, with no start up fee. Which function represents the difference in the cost between Company Y and Company Z?
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
What is the minimum of y=4x^2-8x+7? (4x^2 = 4 times x to the second power)
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
The function f(t)=-5t^2 + 20t + 60 models the approximate height of an object t seconds after it is launched. How many seconds does it take the object to hit the ground?
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
Solve for m in the equation E = mc^2
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
Which expression is equivalent to t^2 + 36? (t^2 = t to the second power)
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
Suppose the equation V = 20.8x^2 - 458.3x + 3500 represents the value of a car from 1964 to 2002. What year did the care have the least value? (x = 0 in 1964)
16
6
(3/5, 8)
1975
f(x) = -0.10x + 10
(1, 3)
m = E/c^2
(t + 6) (t - 6)
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