Answer:
I u having ur online test or papers
Answer:
C
Step-by-step explanation:
To solve it will be easier to turn 7 into a rational number with the same denominator as 5/7
To do this make ratios

Now solve for x
x = 49
This means that the fraction will be 49/7
This can also be written as 
Answer:
B
Step-by-step explanation:
The range is the set of y-values for which the function is defined.
** Attached is the graph of the function
By looking at the graph, we can clearly see that there aren't any y-values that is not permitted in the graph. The function is defined for all y-values. Hence the range is set of all real numbers, or, the range is (-∞, +∞)
Answer choice B is right.