A) has an initial value (y-int) of (0, 3) and a multiplier of 1.5

4.5

Step-by-step explanation:

y integers are the ones that goes up and down

the 3 is the y integer

so multiply 3 by 1.5

and you will get your answer of 4.5

if that is what you mean

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents