Find the real solutions of the equation.2 + 
= 
A. 
B. 
C. 
D. 
Answer: D
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Simplify the radical expression. If appropriate, include absolute values.
A. 
+ 4
B. 
C. 5x + 4
D. 5x + 
Solve each problem.The cost of a computer system increases with increased processor speeds. The cost C of a system as a function of processor speed is estimated as 
where S is the processor speed in MHz. Find the processor speed for which cost is at a minimum.
A. 0.2 MHz B. 0.3 MHz C. 3.6 MHz D. 1.4 MHz
Solve the problem.Andrew's gross income each week is $325. Andrew has $13 deducted for health insurance. What percent of his gross income is deducted for health insurance?
A. 6% B. 14% C. 3% D. 4%
Solve for the indicated variable. Assume the variable you are solving for must be greater than 0.A = w(
), for w
A. w = 
B. w = 
C. w = 
D. w = 