Answer:
Step-by-step explanation:
Given:
function h(t) models the height of Pooja's plant (in cm) where
t is the number of days after she bought it.
Now we have to find about which number type is more appropriate for the domain of h.
That means what values can be taken by the variable "t".
As per the questions, t represents number of days not the hours so it will not be in decimal or fraction value. It can only use integer values for the number of days. like 1, 2, 3 ...,n
Now as the time is counted after she bought the plant then number of days will be positive.
Hence answer for the type of domain can be positive integers or you can say integers greater than or equal to 0.
<span>E[Y] = 0.4·1 + 0.3·2 + 0.2·3 + 0.1·4 = 2
E[1/Y] =0.4·1/1 + 0.3·1/2 + 0.2·1/3 + 0.1·1/4 = 0.4 + 0.15 + 0.0666 + 0.025?0.64
V[Y] =E[Y2]-E[Y]2= (0.4)·12+(0.3)·22+(0.2)·32+(0.1)·42-22= 0.4+1.2+1.8+1.6-4= 5-4 = 1</span>
Answer:
The interest is $35 so it ends up costing her $70
Step-by-step explanation:
Answer:
a) 0.15
b) 0.2
c) 0.6
Step-by-step explanation:
The equation factors as
.. (x +3)(x +4) = 0
By the zero-product rule, the roots are
.. x1 = -4
.. x2 = -3
