precalculus math help

Question

Algebraically determine the domain and the y-intercept of the function:

y = log7(4x+3) + 6

Answer 1

To find the y intercept, set x=0 and solve

y = log₇(4(0)+3) + 6

y = log₇(3) + 6

y=log(3)/log(7) +6

y=6.5646