1. A function is given by the set of ordered pairs {(-2,1),(-1,6), (0, 11).(1,16),(2,21). Which of the
following best describes the domain of this function?

(1) All real numbers from -2 to 2

(2) All integers from -2 to 2

(3) All real numbers from 1 to 21

(4) All integers from 1 to 21
2.

three-fourths of an hour

36÷48=0.75

0.75=

step-by-step explanation:

options

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type