Simplify by removing grouping symbols and combining like terms.2(a + 4b) - [2 - 4(a - b)]
A. 6a + 12b - 2
B. 6a + 4b - 2
C. -2a + 8b - 2
D. -2a + 4b - 2
Answer: B
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Decide whether the statement is true or false.Not every real number is not a whole number.
A. True B. False
Provide an appropriate response.Determine the slope of the equation: y = 2
A. 1 B. 0 C. no slope D. 2
For the measured quantity, state the set of numbers that is most appropriate to describe it. Choose from the natural numbers, integers, or rational numbers.Temperatures given in a weather forecast in Cayembe, Equador (this town is on the equator)
A. Rational numbers B. Integers C. Natural numbers
Identify the interval where f is increasing or decreasing, as indicated. Express your answer in interval notation.f(x) = (x + 1)2 + 9; increasing
A. (-?, 0] B. (-?, -1] C. [9, ?) D. [-1, ?)