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Mamont248 [21]
4 years ago
8

PLEASE HELP! WILL MARK BRAINLIEST!

Mathematics
1 answer:
AfilCa [17]4 years ago
5 0
Number 3 is the correct answer 
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Evaluate f(-6) for the function f(x) = 9 - 2x.<br><br> a -42<br> b 21<br> c -3<br> d 1
Temka [501]

Answer:

b)21

Step-by-step explanation:

f(-6) = 9 - 2 × (-6) = 9+12=21

3 0
3 years ago
Solve the equation below by factoring:
lyudmila [28]

\huge\fcolorbox{blue}{aqua}{Answer:}

═════════════════════

Answer: =A.x = - 3 x = - 4

Solution:

x  ^ { 2  }  +7x=-12

x^{2}+7x+12=0

a+b=7 ab=12

1,12 2,6 3,4

1+12=13 2+6=8 3+4=7

a=3 b=4

\left(x+3\right)\left(x+4\right)

x = -3 , x = -4

<h2>so the answer is = A.</h2>

════════════════════

Explanation:

#Carry on learning

6 0
3 years ago
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Which expression is equivalent to the one shown below ?
Reil [10]

4^10 and x^4 are the right answers

3 0
3 years ago
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f r(x) = 3x – 1 and s(x) = 2x + 1, which expression is equivalent to (StartFraction r Over s EndFraction) (6)?
Leya [2.2K]

The equivalent expression to \mathbf{(\dfrac{r}{s})(6)= \dfrac{17}{13}}

<h3>What are the equivalent expressions?</h3>

Equivalent expressions are similar expressions that may have different forms but when a value is replaced with the variables in the same form provides the same answer.

From the information given, If:

  • r(x) = 3x - 1
  • s(x) = 2x + 1

Then the fractional form can be an expression as:

\mathbf{(\dfrac{r}{s})(x)= \dfrac{3x-1}{2x+1}}

where;

  • x = 6

\mathbf{(\dfrac{r}{s})(6)= \dfrac{3(6)-1}{2(6)+1}}

\mathbf{(\dfrac{r}{s})(6)= \dfrac{18-1}{12+1}}

\mathbf{(\dfrac{r}{s})(6)= \dfrac{17}{13}}

Learn more about equivalent expressions here:

brainly.com/question/24734894

#SPJ1

8 0
2 years ago
Suppose that rectangle ABCD is dilated to A'B'C'D' by a scale factor of 0.5 with a center of dilation at (4, 6). What is the dis
Rasek [7]

To solve this problem you must apply the proccedure shown below:

1. You must multiply the coordinates of BC by the scale factor given in the problem above. Therefore, you have that the coordinates of B'C'are:

B'(1,5)\\ C'(3,5)

2. The midpoint of B'C' has the folllowing coordinates:

m(\frac{x1+x2}{2} , \frac{y1+y2}{2} )\\ m(\frac{1+3}{2}, \frac{5+5}{2})\\ m(2,5)

3. The center of dilation is a fixed point, with coordinates (4,6). Therefore, the distance from the center of dilation to the midpoint of B'C' is:

distance=x2-x1\\distance=4 units-2units\\distance=2 units

The answer is the option C: 2 units

5 0
3 years ago
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