#MAASL00047
[Maximum Marks: 8]
A quadratic can be written in the form .
The graph of has axis of symmetry and -intercept at .
a) Find the value of .
b) Find the value of .
c) The line is a tangent to the curve of . Find the values of .
#MAASL00220
[Maximum Mark: 15]
Two savings accounts, and , are created at the same time.
The value of account , in millions of dollars, after years, is modeled by the function .
a) Find the value of account when it was made.
b) Find the value of account after 6 years.
c) How long does it take for the value of account to reach 300 million dollars?
d) The value of account , in millions of dollars, after years, is modeled by the function .
After 10 years, the value of the account is 38 million dollars.
Find the value of .
e) After years, the value of account surpasses that of account .
Find the value of .
#MAASL00239
[Maximum Marks: 8]
A quadratic can be written in the form .
The graph of has axis of symmetry and -intercept at .
a) Find the value of .
b) Find the value of .
c) The line is a tangent to the curve of . Find the values of .
#MAASL00240
[Maximum Mark: 8]
Consider the following functions:
and
If the graphs of the functions intersect at two distinct points, what are the possible values of ?
#MAASL00241
[Maximum Mark: 8]
Consider the following functions:
and
If the graphs of the functions intersect at one distinct point, what are the possible values of ?
#MAASL00244
[Maximum Mark: 15]
Two animal populations, and , are tracked over the same time period.
The population of , in thousands, after years, is modeled by the function .
a) Find the value of account when it was made.
b) Find the value of account after 4 years.
c) How long does the population of take to reach 130,000?
d) The population of , in thousands, after years, is modeled by the function .
After 7 years, the population of is 90,000.
Find the value of .
e) After years, population surpasses population .
Find the value of .