Give the domain and range of the function.f(x) = x2 + 2
A. Domain: all real numbers; Range: [2, ?)
B. Domain: [0, ?); Range: [0, ?)
C. Domain: all real numbers; Range: [5, ?)
D. Domain: [2, ?); Range: all real numbers
Answer: A
Mathematics
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A. 2166 B. -2160 C. -2166 D. 2160
Mathematics
Find the area. Use 3.14 for ? as necessary.
A. 425 cm2 B. 175 cm2 C. 272 cm2 D. 49 cm2
Mathematics
Factor out the common binomial factor as the GCF.x(6x - 5) + 5(6x - 5)
A. 5x(6x - 5) B. (6x - 5)(x - 5) C. (6x - 5)(x + 5) D. (6x + 5)(x - 5)
Mathematics
Solve and check your answer.6x = 18
A. 5 B. 3 C. 4 D. 108
Mathematics