2 years ago

The function f is defined by f(x) = x^2-2x-24 if f (x + 3) = x^2+kx-21, what is the value of k?

Mathematics

2 answers:

vova2212 [387]2 years ago

3 0

Take this for example

zaharov [31]2 years ago

3 0

Step-by-step explanation:

my guess it's 4

(x+7) (x-3)

You might be interested in

Mr. Peterson can iron 2 shirts in 6 minutes.

Bumek [7]

Answer:

Step-by-step explanation:

he can iron 7 in 21 minutes

hope this helps

7 0

2 years ago

A school principal wants to know more about the number of students absent each day. He counts the number of students absent each

True [87]

Answer:

6.27

Step-by-step explanation:

We are to obtain the standard deviation of the given values :

{24, 18, 31,25, 34}

The standard deviation = √(Σ(x - mean)²/ n)

The mean = (ΣX) /n

Using calculator to save computation time :

The standard deviation, s = 6.27 (2 decimal places)

6 0

2 years ago

A ordinary fair dice is thrown once. What is the probability the dice lands on a even number

ruslelena [56]

The probability will be 3/6 or 1/2

5 0

2 years ago

The deli scale weighs meat and cheese in hundredths of a pound. Emily put 5/10 pound of pepperoni on the deli scale. What weight

andreyandreev [35.5K]

.50 is your answer

Hope this helps

8 0

2 years ago

Emilio’s age is four years more than half the age of his sister Rosa. The sum of their ages is 28. How old is Rosa?

Cerrena [4.2K]

Rosa is 16 years old

5 0

3 years ago