Determine whether the equation in one variable is linear.51.0x = 5.4
A. linear
B. not linear
Answer: A
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Evaluate the function for the given value of x.f(x) = x + 8 , x = -3
A. f(-3) = -11 B. f(-3) = 8 C. f(-3) = 5 D. f(-3) =-12
State the domain and range of the function.f(x) = 3-x - 3
A. Domain = (-?, ?); range = (-3, ?) B. Domain = (-?, ?); range = (-?, -3) C. Domain = (-?, ?) ? (-?, ?); range = (-?, -3) D. Domain = = (-?, ?); range = (-?, -3]
47,500 is equal to __________ ð 103.
a. 4.75 b. 47.5 c. 475 d. 4750 e. 47500
Solve the problem.The minimum length L of a highway sag curve can be computed by L = 
,where ?1 is the downhill grade in degrees (?1 < 0°), ?2 is the uphill grade in degrees (?2 > 0°), S is the safe stopping distance for a given speed limit, h is the height of the headlights, and ? is the alignment of the headlights in degrees. Compute L for a 55-mph speed limit, where 
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and 
Round your answer to the nearest foot.
A. 846 ft
B. 869 ft
C. 824 ft
D. 893 ft