Determine if the graph of the function opens upward or downward and whether it has a maximum or a minimum point.f(x) = 4 - 8x - 9x2
A. Upward, minimum
B. Downward, minimum
C. Upward, maximum
D. Downward, maximum
Answer: D
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State whether you think the difference between what occurred and what you would expect by chance is statistically significant.There are two candidates for mayor, Maria Hernandez, and Eric Wong. Of 100 people polled, 53 say they will vote for Maria Hernandez.
A. Not statistically significant B. Statistically significant
Determine whether or not the function is one-to-one.
A. No B. Yes
Find the point-slope equation for the line with the given properties.Slope = - 
; line passes through the point (4, 5)
A. y - 5 = - 
(x - 4)
B. y - 5 = - 
(x + 4)
C. y - 5 = 
(x - 4)
D. y + 5 = - 
(x + 4)
Find the grade point average for a student earning the following grades. Assume A = 4, B = 3, C = 2, D = 1, and F = 0. Round answer to the nearest tenth.
A. 1.5 B. 3.5 C. 9.0 D. 2.5