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Lubov Fominskaja [6]
3 years ago
12

Math picture below...

Mathematics
2 answers:
Vinil7 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

Given f(x) = 4 - 7x^5

Note the ^5 on x and the -7 in front of x^5

f(x) is a polynominal function. The degree is 5 and the leading coefficient is -7.

Given x -> ∞, f(x) -> ∞ and x -> -∞, f(x) -> -∞

Because (-x)^(2n) = x^(2n), the polynominal's degree cannot be an even number.

If the lead coefficient ax^n is negative, x -> ∞, f(x) -> -∞. So the lead coefficient cannot be negative.

Among the choice, the only correct answer is f(x) = 7x^9 - 3x^2 - 6

From the graph, the polynominal reaches its max at x=1 and mini at x=-2 and x=3.

Of the three extrema, only the one at x=-2 is the global mini while at x=3 is a local mini and at x=1 is a local max.

So the last two statements are correct.

SashulF [63]3 years ago
5 0

Answer:

Step-by-step explanation:

ans is c) f(x) is a polynominal function. The degree is 5 and the leading coefficient is -7.

x -> ∞, f(x) -> ∞; x -> -∞, f(x) -> -∞

the only ans that follows the above is a) f(x)=7x^9-3x^2-6

correct statments are:  c)  (1, 6.08) and (3, 0.75) are local extrema for the function and  d)  (-2, -9.67) is the global minimum for the function.

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frozen [14]

Answer:

Step-by-step explanation:

The second choice down is the one you want.  I'm not sure why you're confused if you simply have to graph the 2 functions to see on your calculator where they intersect.  Unless you don't know how to access the change of base function in a TI84...

Hit "alpha" then "window" and 5 will open up the option to enter a base on a log.

8 0
3 years ago
Someone please help! I’m very confused on this problem.
weqwewe [10]

If i'm mistaken; he needs to buy 3 sheets?

7 0
3 years ago
The graph of a function f(x) passes through the following points: (0,0), (1, -2), (2,0) Which of the following could be f(x)?
Sveta_85 [38]

Answer:

f(x)= 2x^2-4x

Step-by-step explanation:

3 0
3 years ago
1. Determine the magnitude of the resultant force acting on the plate and its direction, measured counter-clockwise from the pos
AlexFokin [52]
F1 . . . 100% of it = 900N is in the +x direction.

F2 . . . 70.7% of it (cos45°, 530.3N) is in the +x direction,
and 70.7% of it (sin45°, 530.3N) is in the +y direction.

F3 . . . 80% of it (520N) is in the -x direction,
and 60% of it (390N) is in the +y direction.

Total x-component:  900 + 530.3 - 520  =  1,950.3 N

Total y-component:  530.3 + 390  =  920.3 N

Magnitude of the resultant = √ (x²  +  y²)

                                       = √(1950.3²  +  920.3²)

                                       =  √4,650,070.09

                                       =   2,156.4 N  .

Angle of the resultant, measured counterclockwise
from the +x axis, is 
 
                               tan⁻¹  (y / x)

                         =    tan⁻¹  (920.3 / 1950.3)

                         =    tan⁻¹  (0.4719)

                         =    about    25.3°  .

Caution:
The same fatigue that degrades my ability to READ the question accurately
may also compromise the accuracy of my solutions.  Before you use this
answer for anything, check it, check it, check it !

 
4 0
3 years ago
Frank exercises no less than 40 minutes per day use t to represent Frank's amount of exercise minutes per day.
BabaBlast [244]

9514 1404 393

Answer:

  t ≥ 40

Step-by-step explanation:

"No less than" is the same as "greater than or equal to".

  t ≥ 40

5 0
3 years ago
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