Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= -4
A. {16}
B. 
C. ?
D. {-4, 4}
Answer: D
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Graph the inequality.-2x - 4y ? 8
A. 
B. 
C. 
D. 
For the rational function below (i) Find the intercepts for the graph; (ii) Determine the domain; (iii) Find any vertical or horizontal asymptotes for the graph; (iv) Sketch any asymptotes as dashed lines. Then sketch the graph of y = f(x).f(x) = 
A. (i) x intercept: 0; y intercept: 0
(ii) Domain: all real numbers except -1
(iii) Vertical asymptote: x = -1; horizontal asymptote: y = 1
(iv)
B. (i) x intercept: 0; y intercept: 0
(ii) Domain: all real numbers except 1
(iii) Vertical asymptote: x = 1; horizontal asymptote: y = 1
(iv)
C. (i) x intercept: 2; y intercept: 2
(ii) Domain: all real numbers except 1
(iii) Vertical asymptote: x = 1; horizontal asymptote: y = 1
(iv)
D. (i) x intercept: -2; y intercept: 2
(ii) Domain: all real numbers except -1
(iii) Vertical asymptote: x = -1; horizontal asymptote: y = 1
(iv)
Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the area.
A. 113 in.2 B. 56.5 in.2 C. 1017.4 in.2 D. 254.3 in.2
Solve the problem.A small boy's temperature rose and fell over the course of one day. At 7am, it rose 1.0 degrees. At noon, it fell 2.6 degrees. At 4pm, it fell 1.7 degrees. Finally, at 8pm, it rose 3.7 degrees. What was the net change in the boy's temperature over the course of the day?
A. -1.6 B. 3.8 C. 0.4 D. 9