Simplify the expression. Assume that all variables represent non-negative real numbers.4
- 
A. 20x
- 4x
B. 16x2
C. 100x
- 4x2
D. 16x
Answer: D
Mathematics
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Solve the problem.If w = 4i - 4j - k, find a vector perpendicular to both w and j + k.
A. -4i + 8j + 4k B. -2i + 4j - 4k C. 4i - 4j - 3k D. -3i - 4j + 4k
Mathematics
Graph the equation.f(x) = x2 + 5
A. 
B. 
C. 
D. 
Mathematics
Simplify by combining like terms.
y - 
y
A. 
y
B. 
y
C. 
y
D. 
y
Mathematics
Provide an appropriate response.Suppose an initial investment grows from $220 to $600 over fifteen years. First find the nominal rate compounded monthly and then find the equivalent effective rate.
Fill in the blank(s) with the appropriate word(s).
Mathematics