Use an inverse function to find all approximate solutions to the equation. 5 tan x + 6 = 0
A. x = 2.2655 + n?, for integers n
B. x = 0.8761 + n?, for integers n
C. x = 4.0177 + n?, for integers n
D. x = 2.2655 + n?, x = 4.0177 + n?, for integers n
Answer: A
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Approximate the principal square root. Round to the nearest thousandth.
A. 4.469 B. 4.477 C. 20.000 D. 4.472
Find a, such that the function 
has the domain (–4, 4).
a. a = –16
b. 
c. 
d. a = 16
e. a = 4
Solve the problem.When an amount of heat Q (in kcal) is added to a unit mass (in kg) of a substance, the temperature rises by an amount T (in degrees Celsius). The quantity dQ/dT, called the specific heat, is 0.18 for glass. If dQ/dt = 12.9 kcal/min for a 1 kg sample of glass at 20.0°C, find dT/dt for this same sample.
A. 34.8 kcal/min B. 71.7 kcal/min C. 2.322 kcal/min D. 74.7 kcal/min
What is a plausible value r for the correlation between vehicle weight and miles per gallon (mpg) shown in the scattergram below?
 figure 1.png)