Question

Para x=5,calcule o valor de: 2x, 3x+1, 9-x, x-15, x(ao quadrado), 2x(ao cubo)-1

Answer 1

x=5

2x=2*5=10

3x+1=3*5+1=15+1=16

9-x=9-5=4

x-15=5-15=-10

x²=5²=25

2x³-1=2(5)³-1=2*(125)-1=250-1=249