Tell whether a linear model or a quadratic model is appropriate for the data. If a quadratic model is appropriate, then decide also whether the lead coefficient should be positive or negative.
A. Linear
B. Quadratic; leading coefficient negative
C. Quadratic; leading coefficient positive
Answer: B
Mathematics
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Find the sum, if it exists.-9 - 
- 
- 
- . . .
A. - 24
B. 
C. - 15
D. Does not exist
Mathematics
Write the equation of a line through the given points in slope-intercept form.(0, 0), (1, -9)
A. y = 
x
B. y = 9x
C. y = - 
x
D. y = -9x
Mathematics
Write your answer in lowest terms.There are 30 days in a given month. What fraction of the month is 22 days?
A. 
B. 22
C. 
D. 
Mathematics
Give the equation of any oblique asymptotes.f(x) = 
A. y = x - 13 B. y = x + 1 C. x = y + 1 D. none
Mathematics