144 x 3= (D) 432
Hope this can help! :)
We use the first point given (0, 14) to solve <em>a </em>in terms of <em>b</em>. We have
We use the second point given (3,3024) to solve for the value of <em>b</em>,
Substitute the value of <em>a</em> solved by the equation above on the equation above and solve
Hence, the exponential function is written as
If we substitute z = 2 - x - y in the last 2 equations it simplifies to 2 equations in x and y:=
x^2 + y^2 + xy - 2x - 2y = 5 and
-x^2 - y^2 - xy + 2x + 2y = -5
if we add these we get 0 = 0 so there are infinite solutions
Vertical line is a way to determine whether a functin is a function or not.
What? hold up my brain hurts! you made me confused!!