What are the x and y intercepts of the equation?
y = log ( 7x + 3) - 2
To find the y intercept, let x = 0
y = log (3) - 2 ≈ -1.52
To find the x intercept, let y = 0
0 = log ( x + 3) - 2 add 2 to both sides
2 = log (x + 3) this says that
10^2 = x + 3
100 = x + 3 subtract 3 from both sides
97 = x