Determine whether or not the function is one-to-one.f(x) = 5x3 - 4
A. Yes
B. No
Answer: A
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Find the absolute maxima and minima of the function on the given domain.
on the closed triangular region bounded by the lines 
and 
A. Absolute maximum: 184 at 
absolute minimum: 144 at 
B. Absolute maximum: 144 at 
absolute minimum: 64 at 
C. Absolute maximum: 144 at 
absolute minimum: 0 at 
D. Absolute maximum: 184 at 
absolute minimum: 0 at 
Translate the phrase to an algebraic expression.the difference of five and z, all raised to the fourth power
A. ( 4 - z)5 B. (5 - z)4 C. 5 - z4 D. (z - 5)4
Solve the system of equations. x1 - x2 + 3x3 = -82x1 + x3 = 0 x1 + 5x2 + x3 = 40
A. (0, -8, -8) B. (0, 8, 0) C. (-8, 0, 0) D. (8, 8, 0)
Find the area. Round your answer to the nearest hundredth if necessary.Find the area of a regular decagon (10 sides) inscribed in a circle of radius 10 inches.
A. 500 cos 36° ? 404.51 square inches B. 500 sin 45° ? 353.55 square inches C. 500 sin 36° ? 293.89 square inches D. 1000 sin 36° ? 587.79 square inches