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
Nikolay [14]
3 years ago
11

F (x) = -3x + 2x – 5 Whatisf (-1)?​

Mathematics
1 answer:
eduard3 years ago
7 0

Answer:

f(-1) = -4

Step-by-step explanation:

f(-1) simply means that what is f(x) when x = -1?

Just plug in -1 for <em>x</em> to find your answer:

f(-1) = -3(-1) + 2(-1) - 5

f(-1) = 3 - 2 - 5

f(-1) = 1 - 5

f(-1) = -4

You might be interested in
Solve for x. Enter your answer below as a fraction in lowest terms, using the slash ( / ) as a fraction bar. Solve:
Pachacha [2.7K]

Answer:

x=21/40

Step-by-step explanation:

First get common denominators

3/8 *5 to top and bottom is now 15/40

3/20 *2 to top and bottom is now 6/40

isolate the X

x-15/40=6/40

+15/40    +15/40

x=21/40

7 0
3 years ago
Read 2 more answers
Find the equation of a line parallel to -3x-5y=4 that contains the point (4,3). Write the equation and slope intercept form
allsm [11]

Answer:

y= 10

Step-by-step explanation:

-3x-5y=4

+3x        +3x

-5y=7x

+5y     +5y

y= 10

4 0
3 years ago
What is the domain of the following exponential function f(x)=(4/5)^x
Norma-Jean [14]

Hello from MrBillDoesMath!

Answer:  The domain is the set of real numbers.

the full real number system

Discussion:

f(x) = (4/5)^x is defined for all x as the underlying function  (4/5)^x is defined for all x. Therefore the domain is the set of real numbers.

Thank you,

MrB


6 0
3 years ago
What is an equation of the line that passes through the points (3,0) and (-6,-3)?
Anika [276]
Y=1/4x-1 ?? i think.. i tried to graph it on my own on a graphing calculator so it should be correct
8 0
3 years ago
What is the result of subtracting the second equation from the first?<br> -2x+y=0<br> -7x+3y=2
Mashutka [201]

Answer:

If you subtract -2x+y=0 and -7x+3y=2 you will get 5x-2y=-2

Step-by-step explanation:

Subtract -2x and -7x which is 5x

Subtract y and 3y which is -2y

Subtract 0 and 2 which is -2

Result: 5x-2y=-2

Hope this helps!

8 0
3 years ago
Read 2 more answers
Other questions:
  • A catering service offers 12 appetizers, 9 main courses, and 7 desserts. A banquet chairperson is to select 8 appetizers, 8 main
    14·2 answers
  • 8,minus some number divided by 3, equals 6. find the numbers
    13·1 answer
  • What value of y makes y + (4 - 2y) = 2 true?
    14·1 answer
  • Given the function: f(x) = 2x2 - 3x + 8, find f(-2).
    9·1 answer
  • 2+2=4 then what is 4+4 ps. just get some brainly points
    11·2 answers
  • How can use base- ten blocks to find 2.16 divided by 3?
    14·1 answer
  • What is the area of this trapezoid? Please find the answer and equation.
    5·1 answer
  • Can someone explain these questions to me, especially the last one please.​
    13·1 answer
  • Evaluate the expression when x = -2/3<br> and y= 2/9<br><br> x-4y
    5·1 answer
  • All you need is in the photo please answer fast
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!