Find the product.7(-2)(4)
A. -13
B. 56
C. -56
D. -112
Answer: C
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Provide an appropriate response. Charlie invested $2400 at an interest rate of 5% for 5 years, where it was compounded continuously. If A = Peni, calculate the accumulated amount.
A. $24,653.29 B. $6,163.32 C. $3,081.66 D. $12,326.64
Solve the problem.A bakery sells four main items: rolls, bread, cake, and pie. The amount of each of five ingredients (in cups, except for eggs) required to make a dozen rolls, a loaf of bread, a cake, or a pie is given by matrix A. Eggs Flour Sugar Shortening Milk 
= ASuppose a day's orders total 20 dozen rolls, 200 loaves of bread, 50 cakes, and 60 pies. Write the orders as a 1 × 4 matrix and, using matrix multiplication, find a matrix for the amount of each ingredient needed to fill the day's orders.
A. These matrices cannot be multiplied.
B. 
C. 
D. 
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. Determine where the function is increasing and where it is decreasing. If necessary, round answers to two decimal places.f(x) = 0.15x4 + 0.3x3 - 0.8x2 + 5; (-4, 2)
A. local maximum at (0, 5) local minima at (-2.55, 1.17) and (1.05, 4.65) increasing on [-2.55, 0] and [1.05, 2] decreasing on [-4, -2.55] and [0, 1.05] B. local maximum at (0, 5) local minima at (-2.55, 1.17) and (1.05, 4.65) increasing on [-4, -2.55] and [0, 1.05] decreasing on [-2.55, 0] and [1.05, 2] C. local maximum at (-2.55, 1.17) and (1.05, 4.65) local minima at (0, 5) increasing on [-4, -2.55] and [0, 1.05] decreasing on [-2.55, 0] and [1.05, 2] D. local maximum at (-2.55, 1.17) and (1.05, 4.65) local minima at (0, 5) increasing on [-2.55, 0] and [1.05, 2] decreasing on [-4, -2.55] and [0, 1.05]
Solve the problem by combining like terms.The value of 8 dimes is 10 ? 8 = 80 cents. Likewise, the value of x dimes is 10x cents. If George finds 
nickels, 3x dimes, and x quarters in his change jar, express the total value of change in cents as an algebraic expression.
A. 80x - 10 cents B. 80x + 10 cents C. 55x - 10 cents D. 80x - 2 cents