Find the sum or difference. Write your result in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: A
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Find the specific function value.Find f(3, 0, 8) when f(x, y, z) = 3x2 + 3y2 - z2.
A. -33 B. 91 C. -55 D. -37
Factor completely. If the polynomial cannot be factored, write "prime."x2 - 10x + 16
A. (x - 2)(x - 8) B. (x + 2)(x - 8) C. (x + 2)(x + 8) D. (x - 2)(x + 8)
Plot the indicated graphs.The intensity level B (in dB) and the frequency f (in Hz) for a sound of constant loudness were measured as follows:
Plot the data for B as a function of f on semilog graph paper, using the logarithmic scale for f.
What will be an ideal response?
Which of the following is a weakness in using the mnemonic PEMDAS to teach order of operations?
a. Its spatial ordering leads students to believe that multiplication takes precedence over division. b. It fails to acknowledge that parentheses are just one type of grouping symbol among many c. Its spatial ordering leads students to believe that addition takes precedence over subtraction. d. All of the above e. None of the above