Is this relation a function? Justify your answer. 11
10
8
7
.
8 9 10 11
A. Yes, because every - and y-value is positive.
B. No, because two points with the same yvalue have different x-
values.
C. Yes, because every x-value corresponds with a single yvalue.
D. Yes, because the number of x-values is the same as the number of
y values.

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Which of the statements about the graph of the function y = 2x are true? check all of the boxes that apply. the domain is all real numbers x because the exponent of 2 can be any real number when the x-values increases by 1 unit, the y-value multiplies by 2. the y-intercept is (0, 1). the graph never goes below the x-axis because powers of 2 are never negative. the range is all real numbers.