Find the domain of the function.f(x) = -4x + 6
A. (-?, ?)
B. [
, ?)
C. (-?, -4) ? (-4, ?)
D. (-?, 6) ? (6, ?)
Answer: A
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Write an inequality involving the variable x that describes the set of numbers graphed.
A. -6 ? x < -2 B. -6 < x ? -2 C. -6 ? x ? -2 D. -6 < x < -2
Solve the problem.An engineer collects data showing the speed s of a given car model and its average miles per gallon. Let f(s) be the average miles per gallon of the car at speed s. Use a graphing calculator to draw the scatterplot. Find and verify an equation of f.
A. f(s) = -0.0063s2 + 0.720s + 5.142 B. f(s) = -6.309s2 + 0.720s + 5.142 C. f(s) = 0.063s2 + 0.720s + 5.142 D. f(s) = -0.631s2 + 0.720s + 5.142
Supply the missing numbers. Round any decimal to the nearest thousandth and percent to the nearest tenth of a percent if necessary.fractiondecimalpercent?250%
A. 2
; 25
B. 2
; 2.5
C. 2; 2.5
D. 2; 25
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. b
B. 
C. 
D. 6