Question

Find the value of the expression 2x cubed + 3y squared - 17 when x = 3 and y = 4.

Answer 1

$2x^3+3y^2-17\\\\subtitute\ the\ values\ of\ the\ x=3\ and\ y=4\ to\ the\ expression:\\\\2(3^3)+3(4^2)-17=2(27)+3(16)-17=54+48-17\\\\=102-17=\boxed{85}\\----------------------\\3^3=3\times3\times3=27\\\\4^2=4\times4=16$

Answer 2

Answer:85

Step-by-step explanation: