Solve the system by substitution.
y=x^2+4x+1
y=x+1
a. (1,,6)
b. (-1./2,5,2)
c. (0,,-2)
d. (3,,2)

C.(0,1),(-3,-2)

Step-by-step explanation:

(x+1)=x^2+4x+1

0=x^2+3x

(x+3)(x+0)

x=-3 x=0

when x=-3, y=(3)^2+4(-3)+1=-2

when x=0, y=0^2+0x+1=1

whole numbers.

step-by-step explanation:

we are given the average monthly rainfall (in millimeters) model r(m) for the years 1900-2009 as a function of the month number m.

as we can see m is taken for the number of months for years 1900-2009.

we know that number of months can't be a negative number or decimal number or a fraction.

so, the number of months could be only positive whole numbers.

therefore, whole numbers is more appropriate for the domain of r.

the probability that a bird is green (.30) is true

step-by-step explanation: