Find the intercepts of the function f(x).f(x) = 3x3 - x2 - 21x + 7
A. x-intercepts: 3, 
, -
; y-intercept: 7
B. x-intercepts: -3, 
, - 
; y-intercept: 7
C. x-intercepts: - 
, 
, - 
; y-intercept: 7
D. x-intercepts: 
, 
, - 
; y-intercept: 7
Answer: D
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- 25
A. 12
B. 11
C. 12
D. 13
Solve the problem.Given that A' is the image of point A under a reflection (shown below), the axis of reflection passes through points
A. T and U. B. V and W. C. R and S. D. P and Q. E. none of these
Decide whether the relation is a function, and give the domain and range.
A. Function; domain: {-3, 3}; range: {-3, 0, 6} B. Not a function; domain: {-3, 3}; range: {-3, 0, 6} C. Not a function; domain: {-3, 0, 6}; range: {-3, 3} D. Function; domain: {-3, 0, 6}; range: {-3, 3}
Evaluate the expression.(53)
A. 20 B. 5 C. 10 D. 1