Find the slope of the curve for the given value of x.y = x2 + 11x - 15, x = 1
A. slope is - 
B. slope is 13
C. slope is -39
D. slope is 
Answer: B
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Use a calculator to find an approximate value for s in 
having the given circular function value. Round your answer to eight decimal places.sec s = 7.0044902
A. 1.42754128 B. 0.14325504 C. 4.85564402 D. -0.42920367
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 20 units?
A. $25.00 B. $75.00 C. $1.50 D. $21.43
Set up the linear programming problem.Eric's Carpentry manufactures two types of bookshelves that are 4 feet tall and 3 feet wide, a basic model and a deluxe model. Each basic bookshelf requires 1.5 hours for assembly and 1 hour for finishing; each deluxe model requires 2.5 hours for assembly and 1 hour for finishing. Two assemblers and one finisher are employed by the company, and each works 40 hours per week.(a) Using x to denote the number of basic bookcases and y to denote the number of deluxe bookcases, write a system of linear inequalities that describes the possible number of each model of bookcase that can be manufactured in a week.(b) Graph the system and label the corner points.
What will be an ideal response?
Use the elimination method to solve the system.x - y = 2 8x =8y - 16
A. (0, 0) B. (4, -2) C. Infinitely many solutions D. No solution