Simplify.-1(x + 1)
A. x - 1
B. -x + 1
C. x + 1
D. -x - 1
Answer: D
Mathematics
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Match the equation with the surface it defines.
+ 
+ 
= 1 
A. Figure 2 B. Figure 1 C. Figure 3 D. Figure 4
Mathematics
Solve.In 1985, the number of female athletes participating in Summer Olympic-Type Games was 550. In 1996, about 3550 participated in the Summer Olympics in Atlanta. Assuming that 
and that the exponential model applies, find the value of k rounded to the hundredths place, and write the function.
A. k = 0.16; P(t) = 500e0.16t B. k = 0.17; P(t) = 500e0.27t C. k = 0.19; P(t) = 500e0.19t D. k = 0.17; P(t) = 500e0.17t
Mathematics
Factor completely.x2 - x - 54
A. Prime B. (x + 6)(x - 9) C. (x - 54)(x + 1) D. (x - 6)(x + 9)
Mathematics
Divide.
A. x + 4 B. x - 16 C. x + 16 D. x2 - 4
Mathematics