#1 i
Find the minimum or maximum value of the function y = – x2 – 4x – 2. Describe the domain and so
range of the function, and where the function is increasing and decreasing.
The maximum value is
The domain is
all real numbers
and the
range is
The function is increasing to the
right
of
X=
and decreasing to the
y<-2
of x =

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?