Provide an appropriate response.A computer company posts a net profit of $12,256 for the month of January. In April, they report a net profit of $23,654. To the nearest tenth of a percent, what was the percent increase in their net profit from January to April?

A. 193.0% increase
B. 93.0% increase
C. 51.8% increase
D. 48.2% increase


Answer: B

Mathematics

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Find the unit tangent vector T and the principal unit normal vector N. r(t) = (1 + t)3/2i   + (1 - t)3/2j  + 2tk 

A. T = i  - j + k; N = i + j
B. T = i + j + k; N = i  + j 
C. T = i - j + k; N = i + j 
D. T = 4i - 4j + 2k; N = 3i + 3j

Mathematics

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: - ; y intercept: - 
(ii) Domain: all real numbers except -2
(iii) Vertical asymptote: x = -2; horizontal asymptote: y = -2
(iv)

B. (i) x intercept: - ; y intercept: - 
(ii) Domain: all real numbers except -2
(iii) Vertical asymptote: x = -2; horizontal asymptote: y = -2
(iv)

C. (i) x intercept: ; y intercept: - 
(ii) Domain: all real numbers except 2
(iii) Vertical asymptote: x = 2; horizontal asymptote: y = -2
(iv)

D. (i) x intercept: ; y intercept: - 
(ii) Domain: all real numbers except 2
(iii) Vertical asymptote: x = 2; horizontal asymptote: y = -2
(iv)

Mathematics

Identify the terms of the polynomial expression.-4s - 8b

A. 4s and 8b B. 4s and -8b C. -4s and -8b D. -4s and 8b

Mathematics

Graph the system of inequalities.x2 + y ? 1x2 - y ? 4

A.

B.

C.

D.

Mathematics