Answer: 
Step-by-step explanation:
Use the power rule for differentiation.
Answer:
Hello! answer: x = 3
each rectangle = 48 Hope that helps!
1 cm is the base of the triangle
Answer:
Square each side
Subtract 1 from each side
Divide by 3
Step-by-step explanation:
sqrt(3x+1) = 4
Square each side
(sqrt(3x+1))^2 = 4^2
3x+1 = 16
Subtract 1 from each side
3x+1-1 = 16-1
3x= 15
Divide by 3
3x/3 = 15/3
x = 5