exam Maths Puzzle Numerical Ability

What is the image of x^2+y^2=1 under the mapping rule (x,y)--(3x+2,3y-5)? I think the answer is 1/3(x-2)^2+1/3(y+5)^2=1 . Can someone PLEASE help me?

Read Solution (Total 0)

exam Other Question

Can you please provide assistance in creating the equation for this problem and also show how to solve this word problem.

Problem: Edmund is 3 years older than Frank. The sum of their ages is nineteen years. How old is each one? Find the constant term of the expansion of (x-2/x^3)^12.

I know that the constant term is independent of an x-value. I'm really confused as to how the k term is determined in or