Solve.
= 
A. 
B. 2
C. 
D. 3
Answer: B
Mathematics
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Find the following.Let u = 
, v = 
, w = 
.Find u + v
A. 
B. 
C. 
D. 
Mathematics
Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of x2 should be positive or negative.
A. linear; positive B. quadratic; positive C. quadratic; negative D. linear; negative
Mathematics
Find the domain of the expression.
A. {x
}
B. (-?, ?)
C. 
D. 
Mathematics
Multiply. Simplify your answer.4 × 4
A. 16
B. 16
C. 8
D. 16
Mathematics