Find the domain of the composite function f?g. Write the domain in interval notation.f(x) = 2x + 4; g(x) = 
A. [-2, ?)
B. [0, ?)
C. (-?, ?)
D. (-?, -2] ? [0, ?)
Answer: B
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Find the domain and range of the inverse of the given function.f(x) = x3 + 3
A. Domain and range: all real numbers B. Domain: [0, ?); range: [0, ?) C. Domain: [3, ?); range: all real numbers D. Domain: all real numbers; range: [3, ?)
Find the GCF for the group of terms.280 and 120
A. 8 B. 20 C. 40 D. 5
Solve the problem. Write ratios in lowest terms.A certain lake is 1500 feet deep. A nearby lake is 1100 feet deep. Write the ratio of the first lake's depth to the second lake's depth.
A. 
B. 
C. 
D. 
Determine the domain and range. Then state whether the relation is a function.
A. Domain: [0, ?) Range:[6, ?) Function B. Domain: (-?, 6] Range: (-?, 1] Function C. Domain: [0, 6] Range: [1, 7] Not a function D. Domain: [1, 7] Range: [0, 6] Not a function