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
Lynna [10]
4 years ago
11

If f(x) = 1/3x^2 + 5, find f(-9). A. 248 B. -22 C. 11 D. 32

Mathematics
2 answers:
melamori03 [73]4 years ago
7 0

Answer:

D. 32

Step-by-step explanation:

For this problem, we simply plug -9 in for x in f(x):

f(x)=\frac{1}{3} x^2+5  ⇒  f(9)=\frac{1}{3} *(9^2)+5=\frac{1}{3} *81+5=27+5=32

Thus, the answer is D. 32.

Hope this helps!

anygoal [31]4 years ago
3 0

Answer:

D. 32

Step-by-step explanation:

f(-9) = ⅓(-9)² + 5

⅓(81) + 5

27 + 5

32

You might be interested in
-3(6) + 2(3) - 18 = 6<br><br>Is this incorrect or correct and why ?​
KiRa [710]
It is incorrect because when you times a negative by a positive. It is a negative number.
6 0
3 years ago
What is the surface area of the square pyramid represented by the net below?
4vir4ik [10]

Answer:

64 cm^2

Step-by-step explanation:

Square: 4*4 = 16

Triangles: 4((4*6)/2))

       = 4(24/2)

       = 4(12)

       = 48

Add the square and triangles together

       = 16 + 48

       = 64

The total will be 64 cm^2

6 0
4 years ago
PLEASE HELPPPPPPpppppppppppppppppppppp
Usimov [2.4K]
Its 4 by the way cause it is
6 0
3 years ago
Need your help! Question in picture :)
zhenek [66]

Answer:

the number is 70

Step-by-step explanation

80% × ? = 56

? =

56 ÷ 80% =

56 ÷ (80 ÷ 100) =

(100 × 56) ÷ 80 =

5,600 ÷ 80 =

70;

5 0
3 years ago
Read 2 more answers
Monica built a porch that contained 2 different colors of bricks to create a neat pattern. She purchased the red bricks at $2 ea
Liono4ka [1.6K]

Answer:

2x+3x=5x

Step-by-step explanation:

The reason for this answer is algebra. Since you give a full explanantion  on it I'm not sure if I answered it correctly. But here is what I think from what you gave of the question.  

4 0
3 years ago
Other questions:
  • If the percent of discount is 55% and the sale price is $60 what was the original price
    6·1 answer
  • What rights are specifically protected under the ninth amendment
    6·2 answers
  • The points (15, 10), (25, 20), (30, 22), (40, 32), (55, 53), (60, 55) represent the time, x, it takes 6 people to travel y miles
    14·2 answers
  • 5x-4=3x-6<br> Solve equation.<br> PLEASE HELP ASAP
    9·1 answer
  • If there are 40 boys and 32 girls in a room, fill out all of the possible ratios of boys to girls that could be made.
    15·1 answer
  • Miss Johnson gave a $1.50 tip to a waitress for serving a meal costing $10.00. What percent of the bill was her tip? PLZ ANSWER
    12·1 answer
  • Write an equation in slope-intercept form of the line that passes through (-1,4) and (0,2).
    11·2 answers
  • Simplify negative 6 and 1 over 4 - negative 2 and 1 over 8
    8·2 answers
  • Can someone pls help me :))))
    13·1 answer
  • What is a strategy for dividing 428 by 107?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!