Let p(x) and q(x) be polynomials as shown below. p(x)=a0+a1x+a2^x2...+an^x^n
q(x)=b0+b1x+b2^x^2...bm^x^m

A:The sum of p(x) and q(x) is an integer, and the difference is a polynomial.
B:The sum and difference of p(x) and q(x) are integers
C:The sum and difference of p(x) and q(x) are polynomials
D:The sum of p(x) and q(x) is a polynomial, and the difference is an integer.

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

-60.75

step-by-step explanation:

just add the numbers then put the negative sign on it