An expression is given.
(2x + 8)(5x  7) Which expression is equivalent to the given expression? A.) 36x  56 B.) 10x²  56 C.) 10x² + 26x  56 D.) 10x² + 54x + 56
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A fitness club charges members an initial fee and a separate monthly membership fee. The equation of the function given models the total fee, f(x), in dollars,
that a person pays for x months of membership. f(x) = 30x + 25 What does the number 30 represent in this situation? A.) the initial membership fee B.) the monthly membership fee C.) the number of months that a person is a member D.) the total amount that a member pays in monthly fees
The population of a town has grown by an average of 2,000 people per year over the last 10 years. Which equation could represent an appropriate linear model
of the population? A.) y = 25,000x + 2,000 B.) y = 2,000x + 25,000 C.) y = 25,000x + 2,000 D.) y = 2,000x + 25,000
Functions f(x) and g(x) are given:
Which statement about f(x) and g(x) are true?
A.) f(x) > g(x) for all values of x B.) g(x) > f(x) for all values of x C.) f(x) > g(x) for all values of x, where x > 2 D.) g(x) > f(x) for all values of x, where x > 2
Select all of the correlation coefficients that represent a linear model with a weak correlation.
A.) 0.982 B.) 0.618 C.) 0.103 D.) 0.204 E.) 0.907 F.) 1
A function is given. Plot the zeros and the maximum or minimum value of the function.
f(x) = (2x 2)(x  3) 
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