Simplify the expression.28x - 8 - 21x - 4
A. 7x - 4
B. 7x - 12
C. -7x - 4
D. -7x - 12
Answer: B
You might also like to view...
Use trigonometric identities to solve each equation in the interval [0, 2?]3 = 2 cos2 x + 3 sin x
A. 
B. 
C. 
D. 
A manufacturer has a monthly fixed cost of $30,000 and a production cost of $6 for each unit produced. The product sells for $25/unit. ? What is the cost function? ? __________ ? What is the revenue function? ? __________ ? What is the profit function? ? __________
What will be an ideal response?
Use the graph of f to evaluate the given expression(s).f(-4) and f(2)
A. f(-4) = 4; f(2) = 0 B. f(-4) = 0; f(2) = 4 C. f(-4) = 0; f(2) = -4 D. f(-4) = 1; f(2) = -4
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 - 8x2 - 9
A. (x2 - 9)(x2 + 1) B. (x - 3)2(x2 + 1) C. (x + 3)(x - 3)(x + 1)(x - 1) D. (x + 3)(x - 3)(x2 + 1)