Help me answer this question please, with steps too so I can learn from it. TY

P= $1400,300 r = 7 1/2% t = 4 what is i ? $4.29 $429.00 $4290.00

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)