Question

Let f : R → R be defined by f (x) = x^2 + 1. Then, pre-images of 17 and – 3, respectively, are (A) φ, {4, – 4} (B) {3, – 3}, φ (C) {4, –4}, φ (D) {4, – 4, {2, – 2}}

Answer 1

Answer:

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Step-by-step explanation:

ANSWER ::

The answer is (C) {4, –4} , φ

Since

f(4)=17

f(-4)=17

But there is no number such that f(x) = - 3

Answer 2

Answer:

f

Step-by-step explanation:

f(c)75

f(35)b.

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