Simplify, leaving exponents in the answer.(a ? b)8
A. ab8
B. a8b
C. 8ab
D. a8b8
Answer: D
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A zoo veterinarian can purchase animal food of 4 different types, A, B, C, and D. Each food comes in the same size bag, and the number of grams of each of three nutrients in each bag are summarized in the following table. Use this information to answer the questions that follow. Food
For one animal, she determines that she needs to combine these bags to get 9000 g of N1, 19,000 g of N2, and 17,000 g of N3. Use the matrix operations on a graphing calculator to determine how many bags of each type of food should she order.
What will be an ideal response?
Find the function value.Let f(x) = 6x2 - 3x + 5. Find f(-x).
A. -6x2 + 3x - 5 B. -6x2 + 4x + 5 C. 5x2 + 4x + 4 D. 6x2 + 3x + 5
Use a calculator to find 
.
?
Please round the answer to the nearest ten-thousandth.
?
A. 0.9064 B. 0.9063 C. 0.8843 D. 0.8863 E. 0.9363
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 