The table shown was generated by a graphics calculator. The expression y1 represents f(x).
Write the function in the form y = mx + b.
A. y = 2x + 3
B. y = 2x - 3
C. y = -2x - 3
D. y = -2x + 3
Answer: C
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Write the first five terms of the geometric sequence with the given information.The first term is 4 and the common ratio is 3.
A. 12, 36, 108, 324, 972 B. 4, 7, 10, 13, 16 C. 4, 12, 36, 108, 324 D. 3, 12, 48, 192, 768
Find the focus and the directrix of the parabola.y2 - 4x + 2y - 15 = 0
A. Focus: (-3, -1); directrix: x = -5 B. Focus: (-5, -4); directrix: y = -3 C. Focus: (-5, -1); directrix: x = -3 D. Focus: (0, -4); directrix: y = 8
Solve the problem.The height H (in feet) of a ball thrown into the air from the top of a building after t seconds is given by 
Find the approximate value of 
for 
A. 127 ft B. 267 ft C. 207 ft D. 167 ft
3Select the graph of the polar equation using symmetry, zeros, maximum r-values, and any
other additional points.
?
?
A. Symmetric with respect to 
Circle with radius 1.5
?
B. Symmetric with respect to
Circle with radius 1.5
?
C. Symmetric with respect to
Circle with radius 1.5
?
D. Symmetric with respect to
Circle with radius 1.5
?
E. Symmetric with respect to
Circle with radius 1.5
?
F. ?