Find the real solutions, if any, of the equation. Use the quadratic formula.x2 + 5x + 5 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {
, 
}
Answer: C
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Determine if the sequence is an arithmetic sequence, a geometric sequence, or neither. If it is either arithmetic or geometric, give the next term in the sequence.3, 7, 11, 15, 19, . . .
A. geometric; 23 B. arithmetic; 23 C. neither
Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = ex+3x2 - 4y2 = 11
A. {(2.75, -1.28)} B. {(2.75, 1.28)} C. {(1.04, -0.14), (3.52, -1.69)} D. {(-3.52, 0.59)}
Represent the sets on a number line.{x|-5 ? x ? -1}
A. 
B. 
C. 
D. 
Solve the problem.The formula y = 1 + 1.6 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 7 consecutive free throws?
A. 149 days B. 42 days C. 44 days D. 147 days