1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stepan [7]
3 years ago
12

Fide f (-7) evaluate the function

Mathematics
2 answers:
pychu [463]3 years ago
5 0

Step-by-step explanation:

f(x)=-x²+8x

By replacing x with -7, we get

f(-7)=-(-7)²+8×(-7)

=-49-56

=-105

Ksju [112]3 years ago
5 0
<h3>Solution:</h3>

f(x) =  { - x}^{2}  + 8x \\  =  > f( - 7) =  -  {( - 7)}^{2}  + 8( - 7) \\  \:  \:  \:  \:  =  - 49  - 56 \\  =  - 105

You might be interested in
Jack is 2 times as old as Lacy. 5 years ago the sum of their ages was 20. How old are they now?
Mama L [17]

Answer:

2x-6=8

2x-6=8+6

2x=24

x=12

4 0
3 years ago
Find the circumference of this circle
joja [24]

Answer:

81.64 cm

Step-by-step explanation:

c = 2(3.14) x 13

c = 6.28 x 13

c = 81.64

8 0
3 years ago
Read 2 more answers
Find dy/dx if y= (x²-3)³cos2x
Over [174]

Answer:

dy/dx = 6x(x²-3)cos2x - 2(x²-3)³sin2x

Step-by-step explanation:

We use the Product Rule:

y= (x²-3)³cos2x

dy/dx =   (x²-3)³ d(cos2x)/dx + cos2x * d ((x²-3)³)/dx

=   (x²-3)³ * -2sin2x + cos2x * 3(x²-3)*2x

= -2sin2x*(x²-3)³ + 6xcos2x*(x²-3)

=  6x(x²-3)cos2x - 2(x²-3)³sin2x

7 0
3 years ago
Which trigonimetric function would you use to solve the problem?
worty [1.4K]

Answer:

a

Step-by-step explanation:

tan = opposite/adjacent

3 0
3 years ago
The graph shows the number of books, y, Melissa read during the weeks of summer break, x. She also read several books during the
777dan777 [17]

Answer:

Step-by-step explanation:

Y=3x+15

6 0
3 years ago
Other questions:
  • Adams sister wants to watch her intake of fat per day he estimates that the dinner will be 48grams of fat what percentage of her
    11·1 answer
  • The table represents a linear function.
    8·1 answer
  • For which of the following is the arc between the two hands of a clock greater than a semicircle?
    6·1 answer
  • How to solve 14x + 2 and 2(7x+1) x=5
    8·1 answer
  • Trevor season 8 red birds. He sees 5 more red birds than bluebirds. How many bluebirds does Trevor see?
    10·1 answer
  • Explain how to find the axis of symmetry for each function<br> g(x) = 2x2 − 16x + 15
    7·1 answer
  • Please help with this paper!! asap please
    12·1 answer
  • Find the value of X <br><br>90°<br>139°<br>180°<br>41°​
    15·1 answer
  • 6 +5r &lt; 31<br> Please help
    14·1 answer
  • If (13,6) is an endpoint and (0,0)
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!