Solve the problem.A life insurance company uses the following rate table for annual premiums for women for term life insurance. Use a graphing utility to fit an exponential function to the data. Predict the annual premium for a woman aged 70 years.
A. y = -9306.4 + 2516.3 ln (x), $1723
B. y = 0.0000398x4.06, $1233
C. y = 6.367e0.068x, $743
D. y = 8.94e0.068x, $1044
Answer: D
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Match the graph to one of the polar equations.
A. r = 2 cos ? B. r = 1 C. r sin ? = 1 D. r = 2 sin ?
Use the quadratic formula or graphing methods to solve the inequality.2x2 + 10x + 4 ? 0
A. 
? -4.562 ? x ? 
? -0.438
B. x ? 
? -4.562
C. x ? 
? -0.438
D. x ? 
? -4.562 or x ? 
? -0.438
Solve.64x2 + 36y2 = 23046y - 8x = 48
A. (0, -6), (8, 0) B. (0, -8), (6, 0) C. (0, 6), (0, -8) D. (0, 8), (-6,0)
Find the domain and range of the relation.{(6, 2), (-7, 0), (-2, -2), (11, -7)}
A. Domain = {-7, -2, 6, 11}; range = {-7, -2, 0, 2} B. Domain = {-7, 0, 2, 6}; range = {-7, -2, 11} C. Domain = {-7, -2, 6, 11}; range = {0, 2} D. Domain = {-2, 0, 6, 11}; range = {-7, -2, 2, 11}