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BartSMP [9]
3 years ago
11

I need help with geometry

Mathematics
1 answer:
Aleks [24]3 years ago
8 0
Here to help what is your question?
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F(x) =2x+1 and g(x) =x^2-7 find (f+g)(x)
GaryK [48]

f(x) = 2x + 1 \ \ and \ \ g(x) = {x}^{2} - 7

(f \ \ + \ \ g)(x) = f(x) + g(x)

(f \ \ + \ \ g)(x) = 2x + 1 + {x}^{2} - 7

\boxed{(f \ \ + \ \ g)(x) = {x}^{2} + 2x - 6}

4 0
4 years ago
PLS HELP ASAP, ILL MARK BRAINLIEST IF ITS A REAL ANSWER. LOOK AT THE PICTURE !
lozanna [386]

Answer:

No

Step-by-step explanation:

No because if it's 20,000 on 1 it should be 40,000 on 2 but its not so its not proportional

7 0
3 years ago
How many x-intercepts are there in y = –3x2 + 4x + 4
Yakvenalex [24]
Y = -3x^2 + 4x + 4

Educated guess: There may be about 2 x - intercepts in the equation.
7 0
3 years ago
Read 2 more answers
Neil has 3 partially full cans of white paint.They contain 1/3 gallon, 1/5, gallon, and 1/2, gallons of paint About how much pai
stepan [7]

Answer:

1 and 1/30 gallons

Step-by-step explanation:

First, convert all the fractions to a common denominator. I'm choosing 30.

1/3=10/30  1/5=6/30  1/2=15/30

Now, you can add them together to get 31/30, so a little more than a gallon

7 0
3 years ago
Find the polynomial with real coefficients, smallest possible degree, leading coefficient 1, such that 2 and 3+i are zeroes of t
Bezzdna [24]

f(x) = x³ - 8x² + 22x - 20

given x = a, x = b are zeros of a polynomial then

(x - a) and (x - b) are factors and the polynomial is the product of the factors

f(x) = k(x - a)(x - b) → ( k is a multiplier )

note that complex zeros occur in conjugate pairs

3 + 1 is a zero then 3 - i is a zero

zeros are x = 2, x = 3 + i and x = 3 - i, thus

(x - 2 ),(x - (3 + i )) and (x - (3 - i )) are the factors

f(x) = (x - 2)(x - 3 - i )(x - 3 + i)

     = (x - 2)(x² - 6x + 10)

     = x³ - 8x² + 22x - 20


   




6 0
3 years ago
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