Answer:
Foil the expression and solve the derivative with respect to b at f'(x)=0
Step-by-step explanation:
Step-by-step explanation:
X=e+r/d
swap both sides
e+r/d=x
subtract e from both sides
e-e+r/d=x-e
r/d=x-e
multiply d to both sides
d×r/d=x-e×d
r=x-e×d
420.00 that's how much he would have saved in a year
Answer:
25 lessons
Step-by-step explanation:
Graph the equation 15x-49 and zoom in on 326