Evaluate the expression for the given value or values.a2 - (-b)3 for a = 2, b = 2
A. 12
B. 13
C. 10
D. -4
Answer: A
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Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.Momentum is the product of the mass of an object and its velocity.
A. If M represents momentum, m mass, and v velocity, then M = 
mv.
B. If M represents momentum, m mass, and v velocity, then M = mv.
C. If M represents momentum, m mass, and v velocity, then M = m + v.
D. If M represents momentum, m mass, and v velocity, then M = 
.
Find the requested composition of functions.Given f(x) = |18 - x| and g(x) = 3x + 2, find (f ? g)(x).
A. |16 + 3x| B. |16 - 3x| C. 3|18 - x| + 2 D. |20 - 3x|
Find the matrix product AB, if it is defined.A = 
, B = 
.
A. 
B. 
C. AB is undefined.
D. 
Solve the equation in the real number system.x4 - 21x2 - 100 = 0
A. {-2, 2} B. {-10, 10} C. {-5, -2, 2, 5} D. {-5, 5}