You just have to choose the middle one
f(3) = -4 as 3 lies between 2 and 5
Answer:
924/448
Step-by-step explanation:
7/8×33/8
=231/64
=231/64÷7/4
=231/64×4/7
=924/448
C(x) = 38.7
C(x)= 0.09(130)+27
C(x)= 11.7+27
C(x)= 38.7
perimeter =2 (l+b)
140=2 (l+40)
140=2l+80
120/2=l
l=60
