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. quadratic; positive
B. quadratic; negative
C. linear; negative
D. linear; positive
Answer: A
Mathematics
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Construct a truth table for the statement.~r ? ~q
A. 
| T | T | F |
F T F
F F F
B.
| T | T | F |
F T F
F F T
C.
| T | T | F |
F T T
F F T
D.
| T | T | T |
F T F
F F T
Mathematics
Use synthetic division to divide.(x3 - 2x2 + 5x - 7) ÷ (x + 4)
A. x2 - 6x + 29 + 
B. x3 - 2x2 + 29x - 123
C. x2 - 6x + 29 + 
D. x2 - 6x + 13 + 
Mathematics
Evaluate the integral using the given substitution.
, u = 2 - s4
A. 
+ C
B. 
C. -8
+ C
D. -8s3
+ C
Mathematics
Solve.6 sin-1 x = ?
A. x = ±
B. x = 2
C. x = 
D. x = -5 + 3
Mathematics