Answer:f(x)= 100+5(weeks)
Step-by-step explanation:
Answer:
a. 5i + 13j
b. 8i
c. 10i + 6j
a. 2i + 6j + 3i + 7j = 5i + 13j
b. 3i + 7j + 5i - 7j = 8i
c. 2i + 6j + 3i + 7j + 5i - 7j = 10i + 6j