Answer:
f(-1) = -3
Step-by-step explanation:
(Assuming {2} is ^2)
f(-1) = 3(-1)² + 4(-1) - 2
= 3(1) - 4 - 2 = -3
What about it that is not a question
Answer:
r = 45 degrees, and s= 60 degrees
Step-by-step explanation:
Answer:
a = 8
Step-by-step explanation:
45° - 45° - 90° triangle
1 - 1 - √2
8 - 8 - √8
Answer:2
Step-by-step explanation:
Given
The derivative of a function is 
The slope at (2,9) is

the tangent at (2,9) is parallel to another tangent at (a,b) i.e. their slopes are equal
