kimjooin02
01.09.2019 •
Mathematics
Three times the difference of a number and 7 is 18
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Ответ:
3n - 21 = 18
3n = 18 + 21
3n = 39
n = 39/3
n = 13 <== ur number
Ответ:
Option d
Step-by-step explanation:
Range of a function is the set of y-values for every x-values.
Domain is the set of all values of variable 'x'
From the picture attached,
y-values of the given function varies from negative infinity to positive infinity.
Therefore, range of the function graphed is a set of all real numbers.
Option d is the correct option.