Let X = {a, b, c} and Y = {u, v}. Which of the following arrow diagrams define functions from X to Y ?
Mathematics
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Multiply using the rule for finding the product of the sum and difference of two terms.(4 - 9r)(4 + 9r)
A. 16 - 9r2 B. 16 - 72r - 81r2 C. 16 - 81r2 D. 16 + 72r - 81r2
Mathematics
A license plate consists of any five capital letters from the ordinary English alphabet (A through Z) except for the letters O, I, and Q.How many of the license plates begin with the word MATH?
A. 234 × 22 B. 23 × 224 C. 224 D. 23 E. none of these
Mathematics
Evaluate the function.Given f(x) = -17x + 4, find f(13).
A. -217 B. -225 C. -17 D. 225
Mathematics
Factor completely, or state that the polynomial is prime.64b2x - 9y - 9x+ 64b2y
A. (8bx + 3y)(8bx - 3y) B. (8bx - 3y)2 C. (8b + 3)(8b - 3)(x + y) D. prime
Mathematics