Answer:
Step-by-step explanation:
± 
Answer: there is no picture to see what they look like
Step-by-step explanation: if you are on computer, upload the picture so we can solve your question.
Answer:
D pi/4, 3pi/4
Step-by-step explanation:
Differentiate the function then equal it to zero and solve for the interval (see attached workings)
How steep the line will be
Answer:
The graph of g(x) is stretched vertically by a factor of 5/3.
Step-by-step explanation:
f(x) = √x
g(x) = √25/9 x = 5/3 √x
5/3 > 1 .. vertical stretch by a factor of 5/3