Use the graph to determine the domain and range of the relation, and whether the relation is a function.

a. Domain: {xl-8, 8}; Range: all real numbers; No, it is not a function.
b. Domain: {x-8 SX s 8}; Range: all real numbers; Yes, it is a function.
c. Domain: {x| -8 < X < 8}; Range: all real numbers; No, it is not a function.
d. Domain: {x| -8 < X 8}; Range: {yl -12 sx s 12); Yes, it is a function.
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step-by-step explanation:

hopefully im right

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

the correct answer is you spend $55.78 more in a brand store that buy ing in a normal store.

step-by-step explanation:

brand = spend   $ 135.85 total

store = spend $80.07 total