Solve the problem.It has been found that the less income people have, the more likely they are to report that their health is fair or poor. The function 
models the percentage of Americans reporting fair or poor health, f(x), in terms of annual income, x, in thousands of dollars. Find and interpret f(24).
A. f(24) ? 16.4; 24% of Americans earning $16.4 thousand annually report fair or poor health.
B. f(24) ? $17.4; 24% of Americans earning $17.4 thousand annually report fair or poor health.
C. f(24) ? 17.4; 17.4% of Americans earning $24 thousand annually report fair or poor health.
D. f(24) ? 16.4; 16.4% of Americans earning $24 thousand annually report fair or poor health.
Answer: D
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Determine if the parabola whose equation is given opens upward or downward.y = -4x2 - 2x - 9
A. downward B. upward
Solve the initial value problem for y as a function of x.
= 1, x > 8, y(16) = ln (2 + 8
)
A. y = 
ln 
+ ln 8
B. y = ln 
+ ln (2 + 8
)
C. y = ln (x + 
) + ln (2 + 8
)
D. y = ln (x + 
) + ln (2 + 8
) - ln (16 + 8
)
Find the slope of the line.4x + 5y = 27
A. - 
B. - 
C. 
D. 
Factor.125 - 8y3
A. (125 - 2y)(1 + 10y + 4y2) B. (5 - 2y)(25 + 4y2) C. (5 - 2y)(25 + 10y + 4y2) D. (5 + 2y)(25 - 10y + 4y2)