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
vova2212 [387]
3 years ago
12

When f(x)=2x^2+3, find f(-3).

Mathematics
1 answer:
dem82 [27]3 years ago
4 0

Answer:

f(-3) = 21

Step-by-step explanation:

We "evaluate" the function f(x)=2x^2+3 at x = -3 by subbing -3 for x in f(x)=2x^2+3:

f(-3) = 2(-3)^2 + 3 = 2(9) + 3 = 21.

Thus, f(-3) = 21

You might be interested in
GUYS PLEASE HELP ME ASAP!!!Jason is saving up to buy a new phone that costs $490 (I wish they were still this cheap). So far, he
Nataliya [291]

Answer:

175-3x=490

Step-by-step explanation:

he only has 3 weeks, which is a time limit, so it would be -3x instead of +3x, he only has 175, so he needs more, so it's positive. Hope this is correct (:

5 0
4 years ago
Read 2 more answers
Pablo's retirement party will cost $8 if he invites 4 guests. If there are 6 guests, how
mezya [45]

Answer:

$12

Step-by-step explanation:

Step 1:

$8 : 4 = x : 6

Step 2:

4x = 48

Answer:

x = 12

Hope This Helps :)

6 0
4 years ago
How do I solve for the area of the shaded part?
mestny [16]
I hope this helps you

6 0
3 years ago
Can 4 cm, 7 cm, 9 cm be a right triangle
fredd [130]

Answer:

No

Step-by-step explanation:

For it to be a triangle c² = a² + b²

The longest side is c (9)

and 81 ≠ 49 + 16

Can I get brainliest

6 0
3 years ago
Read 2 more answers
The diagram below shows triangle MNR with ray NM. Triangle M N R. Angle N is 97 degrees. Side N M extends to form an exterior an
lora16 [44]

Answer:

18 degrees

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • I need help understanding square roots
    8·1 answer
  • In a scale drawing, the length of the airplane is 7 inches. What is the length of the real airplane? Scale factor: 1 in:9 ft
    13·1 answer
  • Determine the common ratio and find the next three terms of the geometric sequence x,2x,4x
    14·1 answer
  • PLEASE PLEASE HELP ME QUICK!!!!
    12·2 answers
  • I need help. Find the value of x
    12·2 answers
  • Tell which property is represented 8•12•5=8•(12•5)
    10·1 answer
  • Golf balls can be purchased in a 3-pack for $4.95 or a 12-pack for $18.95. Which is the better buy? Which Item cost less per gol
    10·1 answer
  • The gene for black coat color (B) is dominant over the gene for brown coat color (b) What percent of the offspring are expected
    7·2 answers
  • Help!!!! What is the answer??????
    6·1 answer
  • Which traffic sign contains parallel line segments?<br> ⬆️⬇️<br> R❌R<br> T
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!