Evaluate the determinant.
?
Fill in the blank(s) with the appropriate word(s).
42
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Find the zeros of the function.f(x) = x2 + x - 42
A. -6, 7 B. -7, -6 C. -7, 6 D. 6, 7
Subtract and simplify.
- 
A. 
B. 
C. 
D. 
Compute the average rate of change of f from x1 to x2. Round your answer to two decimal places whenappropriate. Interpret your result graphically.f(x) = 
, x1= 1 and x2= 3
A. 0.58; the slope of the line passing through (1, f(1)) and (3, f(3)) is 0.58. B. 0.71; the slope of the line passing through (1, f(1)) and (3, f(3)) is 0.71. C. -0.71; the slope of the line passing through (1, f(1)) and (3, f(3)) is -0.71. D. -0.58; the slope of the line passing through (1, f(1)) and (3, f(3)) is -0.58.
Find the perimeter. Use 3.14 for ? when needed.
A. 90 cm B. 50 cm C. 410 cm D. 70 cm