Given f(x) and g(x), find the following.f(x) = x2 + 7x and g(x) = x - 8. Find (fg)(4).
A. -92
B. -176
C. -160
D. -12
Answer: B
Mathematics
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Graph the equation by plotting points.y = x2 
A. 
B. 
C. 
D. 
Mathematics
Write in terms of the cofunction of a complementary angle.cos 
A. sec 
B. sec 
C. sin 
D. sin 
Mathematics
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = -3; r = -3
A. a5 = 81; an = -3 ? (-3)n-1 B. a5 = -243; an = -3 ? (-3)n-1 C. a5 = -243; an = -3 ? (-3)n D. a5 = 81; an = -3 ? (-3)n
Mathematics
Solve the problem.A computer printer costs $860. If the sales tax rate is 3
%, how much tax is charged and what is the total price? Round your answers to the nearest cent.
A. $21.50, $881.50 B. $30.10, $890.10 C. $38.70, $898.70 D. $301.00, $1161.00
Mathematics