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Phantasy [73]
3 years ago
13

Without using a calculator, determine the number of real zeros of the function f(x) = x3 + 4x2 + x − 6.

Mathematics
2 answers:
LUCKY_DIMON [66]3 years ago
5 0
I am pretty sure x= -0.5
mariarad [96]3 years ago
4 0

Answer:

ON PLATO in the empty box the type: 3

Step-by-step explanation:

(x-1) (x+3) (x+2) these are the factors which means there three of them :)

You might be interested in
helen has 30 tickets.Gina has 20 more tickets thank helen.what percent of tickets must Gina give helen so that both of them can
iren [92.7K]
Helen = 30 T (T = tickets)
Gina = 30 + 20 = 50 T

20% of 50 = 10

30 + 10 = 404
50 - 10 = 40

Gina must give 20% of her tickets for them to have equal amount of tickets.

Hope this helps!!
4 0
3 years ago
Factoring trinomials
Tcecarenko [31]

c^22c^2 + 13c +21 \\4c^2 + 13(2)c + 42\\(2c + 6)(2c+7)\\(c+3)(2c+7)


This is a way to factoring trinomials (there exist different equivalent methods).

Multiply the trinomial but the term accompanying  c^2. This is the second line. Then, you could take the square of the 4c^2, ant try to create a factor () () that will correspond to the expression in the second line. That is, we want 4c^2 + 13(2) c + 42 = (2c + ?) (2c + ?)

In ? we put the corresponding numbers that, if we multiply them we will obtain 42, and if we add them we will obtain 13. This numbers are 6 and 7. Then, we have (2c + 6) (2c +7)

The last step is divide by the number that we multipy in the first step.

4 0
3 years ago
Store has apples on sale for $5.00 for 2 pounds. If an apple is approximately 5 ounces, how many apples can you buy for $30.00?
andrey2020 [161]
38.4 hope this help ya bud
7 0
3 years ago
Jorge paid $9 for a book that was originally $12. What was the % discount for the book
anastassius [24]

Answer:

25%

Step-by-step explanation:

12=100%

3=25%

9=75%

6 0
2 years ago
(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y? (b) In 2.00
Gemiola [76]

Answer:

A= 75686400

B= 7568640000

C= 75686400000

Step-by-step explanation:

1 day= 1440 min

1 year= 365 days

365 days*1440 min= 525600 min , 1 year= 525600 min

525600 min*2 years= 1051200 min

(in 2 years) 72 beats*1051200 min= 75686400

(in 200 years) 75686400*100= 7568640000

(in 2000 years) 7568640000*10 =75686400000

3 0
3 years ago
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