Algebra II 1 2.4.3 Quiz Combining Functions
Question 3 of 10
f(3) = 1+2
g(2) = 322 - 5
Find (f .9)).
O A. (f. g)(2) = 323 + 6x2 – 52 – 10
O B. (f. g)(x) = 32° +10
O c. (fºg)(2) = 32° + 6x2 +52 +10
OD. (f. g)(x) = 323 - 10
SUBMIT

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1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?