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
Leno4ka [110]
4 years ago
14

Find f(3). f(x) = x3 - 7 A) 2 B) 10 C) 12 D) 20

Mathematics
2 answers:
alex41 [277]4 years ago
6 0
To find f(3), just plug in 3 for x.


I'm assuming you meant for 3 to be x^3


3^3 - 7 = 27 - 7 = 20
kicyunya [14]4 years ago
3 0
3^3 - 7
(3 x 3 x 3) - 7
27 - 7
= 20

hope this helps :)





You might be interested in
pedros check register showed a balance of $550.94. his bank statement listed 3 items that did not appear in his register: earned
vovangra [49]

Answer: $391.08 would be how much he really has in his register.  I may be a little off though.

3 0
3 years ago
What figure is a dilation of Figure A by a factor of 3?
sveticcg [70]
The answer is choice A
3 0
3 years ago
Read 2 more answers
Solve this equation.What is the length of x?
olganol [36]

Answer:

6. 12.5 cm

7. 0.7241

Step-by-step explanation:

6.

You have 2 right triangles. You can use the Pythagorean theorem for each one.

a^2 + b^2 = c^2

Let y = length of vertical side between triangles.

Left triangle:

5^2 + y^2 = 13^2

25 + y^2 = 169

y^2 = 144

y = 12

Right triangle:

3.5^2 + 12^2 = x^2

12.25 + 144 = x^2

x^2 = 156.25

x = 12.5

Answer: x  12.5 cm

7.

For <X, 2.0 ft is adj leg. 2.9 ft is hyp.

cos X = 2.0/2.9 = 0.6897

X = cos^1 0.6897 = 46.397 deg

sin X = sin 46.397 deg = 0.7241

4 0
3 years ago
How can u tell from a graph that the graph represents a proportional relationship?
Ulleksa [173]
It is a straight line of positive gradient that passes through the origin
7 0
3 years ago
Can someone help me with this question?
solmaris [256]

Answer:

m=12.5    b=235 right? so multiply it and you get 2,937.5

Step-by-step explanation:

calculate it yourself if you no beleive

6 0
3 years ago
Other questions:
  • Angle x is (2n+12) and angle y is (3n+18). Find the measure of angle x
    7·1 answer
  • Simplify (x+3)(x^4-4x^2+5)
    9·1 answer
  • What is 8a = 5a + 21 please and thank you
    14·2 answers
  • Help me please!! !!!!!!!!!!!!!!
    15·2 answers
  • How do you factorise with letters?<br> e.g : 4p + pq + 5pr
    12·2 answers
  • A lighthouse flashes a beam of light once every 3/5 of a minute. How many times does it flash a beam of light in half an hour?
    9·1 answer
  • 50 POINTS
    14·2 answers
  • The Sine Function
    10·1 answer
  • 75% of the whole is 180. What's the whole?<br> .
    6·1 answer
  • Teacher Jonna received 8 1/2 reams of paper from the school administration for this school year. She still has 1 5/8 reams of pa
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!