Question

If x =1,find the value of :
a. 2x-7
b.x²+2+1​

Answer 1

Answer:

(a)

• 2x-7
• 2x1-7
• -5

(b)

• x²+2+1
• 1x1x1+2+1
• 4

Answer 2

Answer:

hi rancy

a. 2x-7

x=1

=2+1×-7

=-3×-7

=-10

b.x^2+2+1

x=1

1^2+2+1

=5