when an object is dropped from the top of a 75 ft tall building, the object will be h feet above the ground after t seconds,where t = $\frac{1}{4}\sqrt{75-h,}h\le75$14 √75−h,h≤75. How far above the ground will the object be after 1 s? Later verify answers.
Posted 7 years ago by gurleenm in Math 20-1 | 1 answers
#absolute values
If f(x)= x2+4x+4, then the domain of y= 1/f(x) is?
Posted 7 years ago by Veronica in Math 20-1 | 5 answers
#absolute values
the Equation $\left|x^2-px+5\right|=7$|x2−px+5|=7 has real solutions
A. only when p2 > or equal to 48
B. Only when p2 < 48
C. for any p-values
D. for no values of p
Posted 7 years ago by Ruby1 in Math 20-1 | 0 answers
#absolute values
if r and s are numbers on a number line, the best representation of how much farther one value is from zero than the other value is
A. (r+s)
B. (r-s)
C. (r) + (s)
D. (r) - (s)
() represent the absolute value sign
Posted 7 years ago by Ruby1 in Math 20-1 | 0 answers
#absolute values
the Point (-3,-4) lies on the graph of y+ f(x). This corresponding point that must lie on the graph of
y= l f(x)l is
a. (3,4)
b. (3,-4)
c. (-3,4)
d. (-3,-4)
Posted 7 years ago by Ruby1 in Math 20-1 | 1 answers
#absolute values
A hot air balloon pilot raises a balloon 200 m from the ground, turns off the burner and allows the balloon to decend 60 m before turning the burner on again to raise it another 170 m.
A. use +/- values to determine the total distance the balloon travelled.
B. use absolute values to determine the total vertical distance travelled by the balloon.
Posted 7 years ago by Ruby1 in Math 20-1 | 1 answers
#absolute values
The maximum and minimum length, l, of an 8 ft board with a tolerance of -1/4 and +1/4 in can be determined by solving the equation
(L-0.25)= 96
(L+0.25)= 96
(L-96)= 0.25
(L+96)= 0.25
the brackets symbolize the absolute value sign
Posted 7 years ago by Ruby1 in Math 20-1 | 1 answers
#absolute values
An equation that describes the maximum and minimum temperatures at which a chemical compound is in a liquid state is given by the absolute value equation (t-50)=50, where T is the temperature in degrees Celsius. Calculate the range in temperature, and identify the chemical compound.
Posted 7 years ago by Ruby1 in Math 20-1 | 1 answers
#absolute values
state the domain and range of $y=\left|-4.9t^2+8.5t-2.23\right|$y=|−4.9t2+8.5t−2.23|
Posted 7 years ago by Ruby1 in Math 20-1 | 1 answers
#absolute values
the winning margin between the top two candidates in an election can be represented by
$\left|A+B\right|$|A+B|
$\left|A-B\right|$|A−B|
$\left|A\right|+\left|B\right|$|A|+|B|
$\left|A\right|-\left|B\right|$|A|−|B|
Posted 7 years ago by Ruby1 in Math 20-1 | 1 answers
#absolute values