Determine whether the relation is a function. Give the domain and range.{(4, 1), (-3, -3), (-6, 9), (4, -3)}
A. not a function; domain: {-6, -3, 4}; range: {-3, 1, 9}
B. function; domain: {-3, 1, 9}; range: {-6, -3, 4}
Answer: A
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 3, an+1 = -an
A. 3, -9, 27, -81, 243 B. 3, 0, -3, -6, -9 C. 3, -3, 3, -3, 3 D. -3, 3, -3, 3, -3
Find the focus and directrix of the parabola.y2 - 24x = 0
A. (6, 0); x = 6 B. (6, 0); x = -6 C. (0, 6); y = -6 D. (6, 0); y = -6
Decide whether the given number is a solution to the equation preceding it.4y + 8(y - 3) = 60; 7
A. Yes B. No
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Three coins are tossed, and the number of heads is noted.
A. 
B. 
C. 
D. 