Option D: 14 is the right answer
Step-by-step explanation:
In order to find the value of given expression we have to put the given value for f in the expression
Given expression is:

We have to find the value of expression on f=3
So,
putting f=3 in expression

The value of given expression at f=3 is 14
Hence,
Option D: 14 is the right answer
Keywords: expressions, variables
Learn more about expressions at:
#LearnwithBrainly
Answer:
None (x=∅)
Step-by-step explanation:
5(x - 3) + 6 = 5x - 10
5x-15+6 = 5x-10
-15+6+10=5x-5x
1 = 0
x = ∅
(2s+3)(s+3)(s-3)-----------
You have to use the quadratic formula to solve this. when you do, you get x values of 1.079 and -.5791. You did not provide choices but that's what it comes out to.
Answer: A triangle can either be... an
Acute-angled triangle.
Obtuse-angled triangle.
Right-angled triangle.
Step-by-step explanation: Here is an image of each type of triangle based on its angles.