Solve the inequality. Graph the results.5 - 10x - 1 ? -11x + 12
A. x < -10 
B. x > -10 
C. x ? 8
D. x ? 8 
Answer: D
Mathematics
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The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x2 = 4y
A. 4 sin2 ? = r cos ? B. 4 cos2 ? = r sin ? C. r sin2 ? = 4 cos ? D. r cos2 ? = 4 sin ?
Mathematics
Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if sec ? = 
, then find the value of cot ?.
A. 
B. 
C. 
D. 
Mathematics
Find the vertex, focus, and directrix of the parabola.
?
?
A. Vertex:
; Focus: 
; Directrix: 
B. Vertex:
; Focus: 
; Directrix: 
C. Vertex:
; Focus: 
; Directrix: 
D. Vertex:
; Focus: 
; Directrix: 
E. Vertex:
; Focus: 
; Directrix: 
Mathematics
Determine whether the improper integral is convergent or divergent.
A. Divergent B. Convergent
Mathematics