I think 20 I am not sure sorry if I get it wrong
Answer:
<em>f(x) = 2(x + 2)(x - 3)(x - 4) or</em>
<em>f(x) = 2x^3 - 10x^2 - 4x + 48</em>
Step-by-step explanation:
If a cubic function has zeros a, b, c, then its equation is
f(x) = k(x - a)(x - b)(x c)
f(x) = k(x - (-2))(x - 3)(x - 4)
f(x) = k(x + 2)(x - 3)(x - 4)
f(5) = k(5 + 2)(5 - 3)(5 - 4)
f(5) = k(7)(2)(1)
f(5) = 14k
We are told f(5) = 28, so we set 14 equal to 28 and solve for k.
14k = 28
k = 2
f(x) = 2(x + 2)(x - 3)(x - 4)
f(x) = 2x^3 - 10x^2 - 4x + 48
The answer to this is D. -7x^3-21x^2+14x.
Answer:
Option C 24
Step-by-step explanation:
The given is an expression which represents the ceiling function or least integer funciton.
Hence we cannot do as we do for normal integers.
Ceiling function means for any value k, ceiling funciton of k, represnted by brackets without bottom portion = the least integer which is higher than k
For example, for 2.1 least integer funciton is 3, because 3 is the least integer which is greater than 2.1 though, 4,5 ... all satisfy this
Apply this to our problem
4|_ 3.1+2_|
We find first least integer function for inside term =3.1+2 = 5.1
is 6 since 6 is just above 5.1
Now multiply 4 with 6 to get answer as 24
Answer is C
Answer:
57
Step-by-step explanation:
Step 1:
3 = n ÷ 19
Step 2:
3 × 19 = n
Answer:
57 = n
Hope This Helps :)
