AM-1594

Exponential and logarithmic models

A Math · Secondary 4 · Hard · Exponential and logarithmic models

The curve

y = \log_3(5x-1)

cuts the x-axis at A and the y-axis at B.

Find the coordinates of A and B.

A $(\tfrac25,0)$ , no y-intercept
A $(0,\tfrac25)$ , B $(0,1)$
A $(1,0)$ , B $(0,\log_3 5)$
A $(\tfrac25,0)$ , B $(0,\log_3(-1))$ as a real point

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.

Loading problem…