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
marusya05 [52]
4 years ago
13

If f(x)=2x^2+1, what is f(x) when x =3 A)1B)7C)13D)19​

Mathematics
1 answer:
vlabodo [156]4 years ago
6 0

option D is right answer

You might be interested in
Do you have a balance of -4 dollars in a savings account after making a deposit yet $25 in his account what is the overall chang
Natali5045456 [20]
The answer would be 21
8 0
3 years ago
Solve 0.25[2.5x + 1.5(x – 4)] = –x.
zheka24 [161]

Answer:

X = 0.75

Step-by-step explanation:

0.25[2.5x + 1.5(X-4)]= -X

0.25[2.5x + 1.5x - 6] = -x

0.25[4x -6] = -x

1x + x = 1.5

2x = 1.5

x = 1.5/2

x = 0.75

8 0
3 years ago
anthony is solving the equation x^2-12x=16 by completing the square. what number should be added to both sides of the equation t
zimovet [89]

Answer:

add (12/2)^2 to both sides

Step-by-step explanation:

x^2-12x=16

x^2 -12x + (12/2)^2 = 16 + (12/2)^

x- (12/2)^2=52

(x-6)^2=52

Answers:

x= -2 root 3 +6

x= 2 root 3 +6

4 0
3 years ago
Janae' is buying food for a party. She is buying a cheese tray for $4.50 and a few pounds of fruit for
bogdanovich [222]

Answer:

0.67

Step-by-step explanation:

5 0
3 years ago
7x what gives me 1 can someone answer I'm new
Lelu [443]
Doing (7x÷7) I think equals 1
3 0
3 years ago
Read 2 more answers
Other questions:
  • Given that parallelogram ABCD and angle D=145 what is the measure of angle C
    12·2 answers
  • The sum of three consecutive multiples of 4 is 444. Find the multiples.<br> PLEASE ANS FAST PLS
    12·1 answer
  • There are four steps in solving one’s personal financial challenges:
    7·2 answers
  • Please help asap 65 pts
    11·2 answers
  • A quality control engineer at a potato chip company tests the bag filling machine by weighing bags of potato chips. Not every ba
    11·1 answer
  • Hey would you guys mind helping my sis out with the circled questions pls
    6·1 answer
  • Quadrilateral ABCD has vertices A(–1, –2), B(–1, 3), C(4, 3) and D(4, –2). It's dilated by a factor of 2 with the center of dila
    6·1 answer
  • A local deli makes turkey sandwiches and salami sandwiches at a weekly ratio of 2 salami sandwiches for every 5 turkey sandwiche
    5·1 answer
  • QUUESTION Today, everything at a store is on sale! The store offers a 20% discount.
    15·1 answer
  • Look at the picture pls don't answer in pictures
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!