Determine the size of the matrix.
A. 2
B. 4
C. 1
D. 2 × 2
Answer: D
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Write the set using the roster method.{x|x is a counting number and multiple of 3}
A. {6, 9, 12, . . .} B. {0, 3, 6, 9,. . .} C. {-9, -6, -3, 0, 3, 6, 9,. . .} D. {3, 6, 9, . . .}
The first card is a club or a diamond.
Two cards are dealt without replacement from a well-shuffled deck of cards. Find the probability of each event.
Find the composite function for the given functions and state the domain. g ? f for f(x) = 4x2 + 6x + 7 and g(x) = 6x - 5
A. 24x2 + 36x + 47 B. 4x2 + 6x + 2 C. 24x2 + 36x + 37 D. 4x2 + 36x + 37
Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.34 plus $0.33 per minute starting with the first minute. Use an equation to find the total cost of a phone call which lasts 28 minutes.
A. $9.24 B. $9.58 C. $28.11 D. $9.85