Give the symbol that represents the portion of the line named and draw a figure showing just the portion named.
Line segment QR
A. 
B. 
C. 
D. 
Answer: D
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Use the table of values of f to estimate the limit.Let f(x) = 
, find 
f(x).
A. 
; limit = 0.4
B. 
; limit = -0.5
C. 
; limit = 0.5
D. 
; limit = 0.6
Convert the given number to scientific notation.1,086,000,000,000,000,000
A. 1.086 × 1018 B. 1086 × 1015 C. 1.086 × 10-18 D. 1086 × 10-15
Identify ? and ? in the following expression which is the right side of the formula for cos (? - ?).cos (155°) cos (35°) + sin (155°) sin (35°)
A. ? = 35°, ? = 155° B. ? = 155°, ? = 35° C. ? = - 35°, ? = 155° D. ? = -155°, ? = 35°
Graph the parabola and label the vertex. Find the x-intercept.x = -2(y + 3)2 - 1
A. vertex (-1, -3), x-intercept (17, 0)
B. vertex (1, -3), x-intercept (-19, 0)
C. vertex (1, -3), x-intercept (19, 0)
D. vertex (-1, -3), x-intercept (-17, 0)