Solve the equation. If there are no real solutions, write "no real-number solutions."x2 + 4 = 125
A. ±11
B. ±10
C. 11
D. no real-number solutions
Answer: A
Mathematics
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sin 
.
A. ? B. Does not exist C. 1 D. 0
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Find the inverse of the one-to-one function.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
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Find the exact value by using a sum or difference identity.cos (-135°)
A. - 
B. - 
C. 1
D. - 
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Supply the missing numbers. fraction decimal percent 
A. 0.25 2.5% B. 0.25 25% C. 2.5 25% D. 0.65 6.5%
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