Evaluate the expression for the given value or values.-4x2 for x = 5
A. -400
B. 400
C. -100
D. 100
Answer: C
You might also like to view...
Solve the problem.The position (in centimeters) of an object oscillating up and down at the end of a spring is given by 
at time t (in seconds). The value of A is the amplitude of the motion, k is a measure of the stiffness of the spring, and m is the mass of the object. How fast is the object moving when it is moving fastest?
A. A
cm/sec
B. 
cm/sec
C. A
cm/sec
D. A cm/sec
The pH of a solution is given by the formula 
, where 
is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem.Lower levels of pH indicate a more acidic solution. If the pH of solution A is 4.2 and the pH of solution B is 6.9, how much more acidic is solution A than solution B?
A. 0.0000630 times as acidic B. 501.2 times as acidic C. 0.00200 times as acidic D. -0.0000630 times as acidic
Solve.The height in meters of girls of a certain tribe is approximated by 
where t is the girl's age in years and 
Estimate the height (to the nearest hundredth of a meter) of a girl of the tribe 4 years of age.
A. 0.96 m B. 0.77 m C. 1.12 m D. 0.52 m
Give the equation of the slant asymptote, if any, of the function.f(x) = 
A. y = x + 1 B. x = y + 7 C. y = x + 7 D. none