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Diano4ka-milaya [45]
3 years ago
13

Please help me f(x) =3x^2 + 2x - 1 what is f(5)

Mathematics
2 answers:
Sergio039 [100]3 years ago
6 0

Answer:

17

Step-by-step explanation:

f(5)=3(5)+2. f(5)=17

damaskus [11]3 years ago
4 0

Answer:

<h2>f(5) = 84</h2><h2 />

Step-by-step explanation:

f(x) =3x^2 + 2x - 1

what is f(5)

f(5) = 3(5)² + 2(5) - 1

f(5) = 75 + 10 - 1

f(5) = 84

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son4ous [18]
The endpoints are the points which represent or marks the end of a line segment or an interval. So, the endpoints would be the same points given which are ( 5/3, 1 ) and ( 0, 2). The midpoint, on the other hand, is the point that is located halfway through the line segment or the interval. It divides the segment into two parts with equal lengths. We calculate it by the formula,
midpoint = ((x1 + x2) / 2, (y1 + y2) / 2)

We substitute the points given above to the formula as follows:


midpoint = ((5/3 + 0) / 2, (1 + 2) / 2)
midpoint = 5/6 , 3/2

So, the midpoint is located at point 5/6, 3/2.
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Question<br> What is the solution to the system of equations?<br><br> Enter a number in each box.
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Your answer is

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What’s up solution should be used to rewrite 16(x^3+1)^2-22(x^3+1)-3=0
ladessa [460]

Answer:

x = cuberoot( -9/8)= -1.04004  or  x = cuberoot(1/2)=0.7937

Step-by-step explanation:

let y = x^3 + 1

we have:

16*(y) ^2   -  22 (y)  - 3 = 0

16 = 2* 8

-3 = -3* 1

8*-3  + 2 = -24 + 2 = -22

Factor as  (8y + 1)(2y - 3) =  16 (y)^2 - 22(y) - 3 = 0

so  (8y + 1) = 0   or   2y - 3 = 0

y = -1/8   OR   y = 3/2

with  y = x^3 + 1

solve for x

-1/8 =  x^3 + 1

x^3 = - 9/8

x = cuberoot( -9/8)

about x = -1.04004

or   3/2 = x^3 + 1

1/2 = x^3

x =  cuberoot( 1/2 ) = 0.7937

3 0
3 years ago
REWTJGFX ANSWER QUICK BRAINLIEST I WILL GIVE RSZYDXTGUCFYHKVJ
melamori03 [73]

Answer:

0.91666666666

Step-by-step explanation:

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