Question

5. (01.02)

Evaluate the following expression using the values given: (1.point)
Find 2r2 + 3s3 - r2 + 4t2 - r2 if r = -2, s = -3, and t = 5.
0-19
0-37
027
O 19

Answer 1

2r² + 3s³ - r² + 4t² - r² = 3s³ + 4t²

= 3(-3)³ + 4(5²)

= 3(-27) + 4(25)

= -81 + 100

= 19