I'm pretty sure it's true, I haven't done much work on exponential graphs but I think its true.
First you put the equation in point slope form- Y-0= 5x - 4
Then add the zero to the 4.
Final answer: y= 5x -4
Not quite sure sorry edit : Oh sorry I supposed to add this in the comment section
Answer:
q = 42
Step-by-step explanation:

Hope this helps.