Solve the equation.
+
= 
A. {6, 1}
B. {1}
C. {-6, 1}
D. {6, -1}
Answer: B
Mathematics
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Decide whether or not the functions are inverses of each other.f(x) = x3 - 1, g(x) =
A. Yes B. No
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Find the area of the figure below. (The area of a rectangle is the product of its length and width. The area of a triangle is the product of its base and height.)
A. 3 sq. cm
B. 1 sq. cm
C. 2 sq. cm
D. 4 sq. cm
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Find the real or imaginary solutions by using the quadratic formula.x2 - 12x + 85 = 0
A. {12 ± 14i} B. {13, -1} C. {6 ± 7i} D. {-6 ± 7i}
Mathematics
Solve the problem.A rock falls from a tower that is 83.3 m high. As it is falling, its height is given by the formula How many seconds will it take for the rock to hit the ground (h=0)?
A. 1,400 s B. 8.9 s C. 9.1 s D. 4.1 s
Mathematics