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ra1l [238]
3 years ago
11

Hey can anybody help me out with this please

Mathematics
2 answers:
Naddik [55]3 years ago
7 0
About a 70% increase
elena-14-01-66 [18.8K]3 years ago
7 0
It is a 188% increase
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Find f(4) when f(x)=4x^2 - 2 x - 4
prisoha [69]

Answer:

52

Step-by-step explanation:

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

f(4)=4(4)^2-2(4)-4 (I replaced x with (4) since we are to find f(4).)

f(4)=4(16)-2(4)-4    (By the order of operations, we take care of the exponents before whatever else we have here.)

f(4)=64-8-4           (By the order of operations, we take care of the multiplication as we see if left to right.)

f(4)=56-4              (By the order of operations, we perform addition/subtraction as we see it left to right.)

f(4)=52                 (This completes the simplification.)

We could have also put this in our calculator as:

4(4)^2 -  2(4)  -  4

This would have returned 52.

8 0
3 years ago
Jayne says that 0.45 is equal to 4/10. Is she correct? Explain.
yKpoI14uk [10]
No, 4/10 is equal to 0.40 and not 0.45 since 4/10 goes in tens.
4 0
2 years ago
Read 2 more answers
Question 3 of 10 * - 3 is a factor of P(x) =*? – 73? + 158-9 O A. True O B. False
Elina [12.6K]

Given,

The expression is,

P(x)=x^3-7x^2+15x-9

If x- 3 is the factor of the given polynomial function, then on substituting the value of x = 3 in the polynomial function, it become zero.

Thus subsituting the value of x in the polynomial,

\begin{gathered} P(3)=3^3-7\times3^2+15\times3-9 \\ =27-7\times9+45-9 \\ =27+45-63-9 \\ =72-72 \\ =0 \end{gathered}

Here, the obtained value of polynomial is 0.

Hence, x-3 is a factor of the given polynomial.

Thus, option A(true) is correct.

6 0
11 months ago
HELP PLEASE ASAP !!!!!
baherus [9]
Have you already got your answer yet


8 0
3 years ago
URGENT What is the range of this function? HELP PICTURE BELOW
LenKa [72]

Answer:

No picture...

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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