Sasha thinks of a number. She adds 1 to her number then multiplies the result by 5.
a Use a mapping to write this as a function.
The answer Sasha gets is 11.
b Uşe inverse functions to work out the number Sasha thought of in the beginning.
Show all your working.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

If square root x = -7, then x= -49 true or false

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?