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
nirvana33 [79]
4 years ago
10

What is f(–3) for the function f(a) = –2a2 – 5a + 4?

Mathematics
1 answer:
lyudmila [28]4 years ago
5 0

f(a) = –2a2 – 5a + 4

f(–3)

Replace a with -3:

-2(-3)^2 -5(-3) +4=

-2(9) +15 +4 =

-18 + 19 = 1

You might be interested in
Which table of values can be used to graph the function y=-4x+3?
Westkost [7]
Graph linear functions 
8 0
3 years ago
Customers can pick their own blueberries at blueberry hill. They pay$5 to enter the patch and $4 per pound for the blueberries t
Anastaziya [24]
Y = total costs to get the berries

x = pounds of berries.

\bf \stackrel{cost}{y}=\stackrel{\textit{4 bucks per pound}}{4x}+\stackrel{\textit{fixed rate just to step in the market}}{5}

bearing in mind that the $5 is just to get in, so is only paid once, whilst the pounds of berry will vary.
7 0
4 years ago
Heather received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.42 per pound. After buying t
Anuta_ua [19.1K]
Total amount = $80
Amount left= $54.74
So amount spent = 80 - 54.74 = $25.26

Let the number of pounds be ‘x’
8.42 x = 25.26
x = 3

Ans: She bought 3 pounds of coffee
6 0
3 years ago
Amber shared her photo with 3 people. They continued to share it, so the number of shares increases every day as shown by the fu
vazorg [7]
THAT THEY ARE THE SAME BUT THEN AGAIN YOU MAKE THE CHANGES YOURSELF.
6 0
3 years ago
Solve this system by linear eqautions <br> Please somone help me with this
Lynna [10]

................................................................................

4 0
3 years ago
Other questions:
  • Need help (show your work)
    7·1 answer
  • Can you solve this problem plz?
    10·2 answers
  • 732,178+167-542,137=
    10·2 answers
  • I need 4 number to eqaul up to 15 and one has to be 9
    11·1 answer
  • I need some Help please
    11·1 answer
  • I need help plzzzzzzzzzzzzzz
    6·2 answers
  • The ratio of length to breath of a room is 7:5, find the length is the breath is 10cm
    13·1 answer
  • Help meeeeeeeeeeeeeeeeeeee
    14·1 answer
  • Please help due today
    8·1 answer
  • State the value of 'x' in this equation, and explain why you know this to be true without doing any calculations. 5X=59
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!