Question

if n is an integer, which of the following must be an odd integer.
a) n^3
b) 3n
c) 4n^2+3
e) n+8

Answer 1

the answer is c

let 2 4×2^2+3

=19 odd

Answer 2

Answer:

An integer is a number which can be written without any fractional component.

Step-by-step explanation:

Let us consider an integer 6.

Then, 6^3 = 216 (even no.)

3*6= 18 (even no.)

4*6^2+3 = 147 (odd no.)

6+8= 14 (even no.)

Thus, the right answer is option no. 3

Hope u find it useful. :-)