Answer:
8 Answer is a) R
<em>And</em>
9 Answer is b) -4
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Answer:
4 (2x+1)
Step-by-step explanation:
Factor 4 out of 8x+4
The values of functions are:
a) f( x ) + g( x ) = x² + x - 3
b) f( x ) - g( x ) = x² - x - 5
c) f( x ) / g( x ) = x² - 4/ (x+ 1)
d) f( x ) * g( x ) = x³ + x² - 4x - 4
<h3>what is function?</h3>
In mathematics, a function is represented as a rule that produces a distinct result for each input x. In mathematics, a function is indicated by a mapping or transformation. Typically, these functions are identified by letters like f, g, and h. The collection of all the values that the function may input while it is defined is known as the domain. The entire set of values that the function's output can produce is referred to as the range. The set of values that could be a function's outputs is known as the co-domain.
Given:
f(x) = x² - 4 and g (x) = x + 1
a) f( x ) + g( x )
= x² - 4 + x+ 1
= x² + x - 3
b) f( x ) - g( x )
= x² - 4 - ( x+ 1)
= x² - 4 - x- 1
= x² - x - 5
c) f( x ) / g( x )
= x² - 4/ (x+ 1)
d) f( x ) × g( x )
= (x²- 4)( x+ 1)
= x³ + x² - 4x - 4
Learn more about function here:
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First, add 20 and 40. that gives you 60. then, you divide- 420/60. that gives you 7. then multiply 7 by 20, giving you 140, and multiply 7 by 40, giving you 280. then subtract: 280-140
answer: 140
Answer : 4th option
A equation is given to us and we need to find out its graph from the options . The given equation is ,
→ y = -2x + 1
Comparing this equation to the slope intercept form of the line which is y = mx + c , where m is the slope and c is y intercept. We have ,
So the equation of the line will cut y axis at (0,1) and will have a negative slope .
- Since the slope is negative , it will make an obtuse angle in anti clockwise direction with the x axis .
And the graph which satisfies the above conditions is in 4th option .
<u>Hence</u><u> the</u><u> </u><u>correct</u><u> answer</u><u> is</u><u> </u><u>4</u><u>t</u><u>h</u><u> </u><u>option</u><u> </u><u>.</u>
<em>I </em><em>hope</em><em> this</em><em> helps</em><em>. </em>