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
kondaur [170]
3 years ago
5

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

Mathematics
1 answer:
netineya [11]3 years ago
7 0
F(a)=-2a^2 - 5a^4
if a=-3



f(-3)=-2(-3)^2 - 5(-3)^4
=(-2*9) - (5*81)
=-18 - 405
=423
You might be interested in
What is 2 times 2 plus 2 divided by 2
egoroff_w [7]
The question says:
2×2+2÷2 
so first you should find 2 × 2 which is 4 and then 2 ÷ 2 which is 1 
now you have:
4 +1 = 5 so the answer is 5 :)))
i hope this is helpful 
have a nice day 
3 0
3 years ago
Read 2 more answers
The graph of y=cos (x+ pi/2) is the graph of the y = cos(x) shifted in which direction?
Mama L [17]

Step-by-step explanation

7 0
3 years ago
Read 2 more answers
Help last question for math<br> What is:<br> -3/8 divided by 7/12?
schepotkina [342]
-3/8 divided by 7/12
-3/8 times 12/7 ( 7/12 is switched because it is changing from division to  multiplication)
-3/8 times 12/7= -9/14
Hope this helped
8 0
3 years ago
Find the unknow measures of y and x.​
Yanka [14]

9514 1404 393

Answer:

  x = 2 m

  y = 30°

Step-by-step explanation:

The side lengths of ΔDEF are 3/9 = 1/3 of those of ΔABC.

  x = DF = 1/3(AB) = (1/3)(6 m)

  x = 2 m

__

Angle measures of ΔDEF are the same as those of the corresponding angles of ΔABC.

  y = ∠B = ∠E = 30°

  y = 30°

8 0
3 years ago
What is the positive root of 289
tresset_1 [31]
Root of 17 squared.
17^2
6 0
3 years ago
Other questions:
  • I have an easy one for you guys
    15·2 answers
  • The amount $5.40 is 9% of what price?
    6·2 answers
  • A water park sold 20 child tickets and 60 adult tickets. What is the percentage of the tickets sold were child?
    10·2 answers
  • The sum of a number and -4 is no smaller than 18
    13·1 answer
  • Pa help po pls pls pls​
    15·1 answer
  • A music store buys instruments and then sells them for 30% more than they paid.
    11·1 answer
  • PLEASE AM TIMED STEP BY STEP
    7·1 answer
  • On,Saturday, Alexa babysat her neighbors kids for 180 minutes. Then, on Sunday she babysat her little brother for 2 hours.how ma
    8·1 answer
  • I’m not sure how to answer this in a Graph, Diagram, and Algebra(algebraic reasoning too) for a,b,c, and d. Can someone please h
    15·1 answer
  • Which of the following equations will yield the volume of a triangular prism?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!