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Zanzabum
1 year ago
13

If f(x) = x² - 2x, find: f(5) = [?]

Mathematics
2 answers:
Bumek [7]1 year ago
4 0

Step-by-step explanation:

A function f is defined by f (x) = 2x - 5. Write down the values of In mathematics, a function means a correspondence from one value x of the first set to another value y of the second set. NCERT Solutions Class 11 Math's Chapter 2 Exercise 2.3 Question 3 A function f is defined by f (x) = 2x - 5.

zhannawk [14.2K]1 year ago
3 0

Answer:

15

Step-by-step explanation:

if f(x) = x^2 -2x, then that means that f(5) = (5)^2 - 2(5) which equals 15.

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If the endpoints of ST are S (1,4) and T (5,2) then the midpoint is in Quadrant IV?
irina [24]

It is false that the midpoint is in quadrant IV

<h3>How to determine the midpoint location?</h3>

The endpoints are given as:

S (1,4) and T (5,2

The midpoint is

(x, y) = 0.5 *(x1 + x2, y1 + y2)

So, we have:

(x, y) = 0.5 *(1 + 5, 4 + 2)

Evaluate the expression

(x, y) = (3, 3)

The point (3, 3) is located in the first quadrant

Hence, it is false that the midpoint is in quadrant IV

Read more about quadrants at:

brainly.com/question/7196312

#SPJ1

6 0
1 year ago
A cylindrical water towers has a diameter of 15 meters and a height of 5 meters. About how many gallons of water can the gallon
Artemon [7]

Answer:

233445.54 gallons

Step-by-step explanation:

Given data

Diameter= 15m

Radius= 7.5m

Height= 5m

Let us first find the volume

the volume of a cylinder is given as

V= πr^2h

substitute

V= 3.142*7.5^2*5

V= 3.142*56.25*5

V=883.6875 m^3

Hence the volume in gallons is

233445.54 gallons  (from conversion tables)

7 0
2 years ago
7-8th grade math level
Ne4ueva [31]

Answer: Let me try to figure this out but this is not 7-8 grade math level

Step-by-step explanation:

7 0
2 years ago
What are the zeros of the function y = 2x2 + 5x + 2?
Dvinal [7]

Answer: not sure

but I need points

Step-by-step explanation:

JUST KIDDING It’s A I did this in school before and got it correct :)

4 0
2 years ago
Helpppppppppppppppppppppppppppppppppppppppppppppppppppppp
shepuryov [24]
Lines are described by equations of the form y = mx + b
The fast way of finding 'b' is to look for a place where x = 0 and plug in the x and y values into this equation. In the case of this line, when x = 0, y = 5:

5 = m(0) + b
5 = 0 + b
5 = b

To get the slope, 'm', we need to pick two points and divide the difference of their y values by the difference of their x values. Pick points where the line falls on the grid. The one we just used, (0,5), works well. So does (2,1).

Plug into the equation m = (y2-y1)/(x2-x1) to get m = (1-5)/(2-0) = -4/2 = -2

Our equation is y = -2x + 5
7 0
3 years ago
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