Which represents the inverse of the function f(x)=4x

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3 0

4 years ago

The product of two consecutive odd integers is 195.

rodikova [14]

You need the odd integers to be separated by 2. One will not work.

If n is odd, n + 1 will be even. You cannot get an exception to that. Try it.

1 is odd but 1 + 1 is even.

n and n + 3 produces 1 odd and 1 even. If n is odd then since 3 is odd when the two are added together, you get an even. Again try it

n = 5

n + 3 = 8

C: is not the answer.

D can't work either. If n is odd then n + 2 will be odd but n + 1 is even.

The Answer is B.

n(n + 2) = 195

n^2 + 2n - 195 = 0

(n - 13)(n + 15)

n can be 13 and n + 2 can be 15

13 * 15 = 195

But here's something you may not know

n can be - 15 and then the other odd number would be - 13

3 0

3 years ago

Given: angle Q is congruent to angle T and line QR is congruent to line TR

Ainat [17]

3. Two angles and included side (ASA congruence theorem).

Reason: This is because, it is given that angle Q is congruent to angle T and line QR is congruent to line TR. Also, we proved in step 2 that $\angle PRQ\cong\angle SRT$ . Thus, we have two angles and the side included as congruent and thus, the two triangles are congruent.

4. CSCT (Corresponding Sides of a Congruent Triangle)

Reason: PR and SR are the corresponding sides of the congruent triangles $\Delta PRQ$ and $\Delta SRT$ , therefore, by the CSCT these corresponding sides have to be congruent.

3 0

4 years ago

Which represents the inverse of the function f(x)=4x​

Which represents the inverse of the function f(x)=4x