Answer:
b)

Step-by-step explanation:
b) set up equations so they are equal to each other,



this is when f(x)=g(x) so our approximation was close.
c)solving it graphically is nearly impossible because the solution can be any value around the intersection. only way to be sure is to solve it symbolically.
-8+b2-(5+b2). Since the - is outside the paranthesis the signs inside change: -8+b2-5-b2. -8-5=-3, b2-b2=0. Your answer: -3 :)
14 times 1 = 14
14 times 32 = 448
Barb exercised for 448 hours in 32 weeks.
34 is the original number.
This is because 34 times 2 is 68 and 68 plus 3 is 71.