Find the slope and the y-intercept.x + 9y = 1
A. m = -9; b = 9
B. m = 
; b = 
C. m = 1; b = 1
D. m = - 
; b = 
Answer: D
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Give a verbal representation for the given function. f(x) = 3 x - 13 . Let y = f(x).
A. To obtain y: Multiply x by 13, then subtract 3 from the result. B. To obtain y: Subtract 13 from x, then multiply the result by 3. C. To obtain y: Divide x by 3, then subtract 13 from the result. D. To obtain y: Multiply x by 3, then subtract 13 from the result.
Answer the question.What does the digit 4 mean in the number 301,475?
A. 4 tens B. 4 hundreds C. 4 thousands D. 4 hundred thousands
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.-13
+ 16
A. 2
B. - 2
C. - 3
D. 3
Solve the problem.The final grade for an algebra course is determined by grades on the midterm and final exam. The grades for four students and two possible grading systems are modeled by the following matrices. src="https://sciemce.com/media/4/ppg__tttt0529191404__f1q73g6.jpg" style="vertical-align: -15.0px;" />Find the final course score for Student 3 for both grading System 1 and System 2.
A. System 1: 76.6; System 2: 76
B. System 1: 75; System 2: 92
C. System 1: 48.6; System 2: 53
D. System 1: 83.2; System 2: 83.5
