Find the domain of f(x).f(x) = x2 - 7
A. {x? x is a real number and x ? 
}
B. {x? x is a real number and x ? -7}
C. ? the set of all real numbers
D. {x? x is a real number and x ? 7}
Answer: C
Mathematics
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Solve the problem.For f(x) = x2, find f(
- 
)
A. 10 - 2
B. 10 + 
C. 8 - 4
D. 8 - 2
Mathematics
Use a calculator to perform the operation. Express your answer in scientific notation.0.0000725(0.00473)(2,450,000,000)
A. 8.40 × 10-14 B. 8.40 C. 8.40 × 102 D. 8.40 × 107
Mathematics
Convert to logarithmic form.10-2 = 0.01
A. log2 -2 = .10 B. log2 .10 = -2 C. log10 0.01 = -2 D. log10 -2 = 0.01
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
+ 4
+ 5
A. 9
B. 74
C. 9
D. 74
Mathematics