Ratios with the same denominator of 2: 3 and 3: 4

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Select the correct answer and solve for y

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)