For each greeting card jacqui sells, she makes a profit of $0.35. in one week, she made a profit of $42. she sells the card for $0.75 each. about how much did she earn before paying expenses?

ok so she is selling the card for .75 but makes a profit of .35

.75-.35=.4 (what wasn't profit) divid 42 by .4

42/.4=105+42 (have to add in profit portion) =$147 Gross income

to answer your question:

f(x)= a^x.  if x=0, f(x)=1  if x=1, f(x)=a  if x=1, f(x)=a^a

u all ready kno b

explanation: