Find the exact value of the expression or state that it does not exist.tan
A. 
B. 
C. 
D. 
Answer: D
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Find the value of df-1/dx at x = f(a).f(x) = 
x + 7, a = -4
A. 3
B. 7
C. 
D. 
We can encode a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning 27 to a blank space. To further encode a message, we can use an encoding matrix A to convert these numbers into new pairs or triples of numbers. Use matrix A to encode the given message.Convert "I love you" from letters to numbers. Use pairs of those numbers, in order, to create 2 × 1 matrices, and multiply 
times those matrices to encode the message "I love you" into pairs of coded numbers. Combine the pairs of numbers to give the encoded numerical message.
What will be an ideal response?
Find the slope then describe what it means in the given situation.The linear function f(x) = -5.9x + 22 models the percentage of people, f(x), who eat at fast food restaurants x years after 2017.
A. m = 5.9; the percentage of people eating at fast food restaurants has increased at a rate of 5.9% per year after 2017. B. m = 22; the percentage of people eating at fast food restaurants has increased at a rate of 22% per year after 2017. C. m = -5.9; the percentage of people eating at fast food restaurants has decreased at a rate of 5.9% since 2017. D. m = -5.9; the percentage of people eating at fast food restaurants has decreased at a rate of -5.9% per year after 2017.
Factor the trinomial.24 + 5x - x2
A. (8 - x)(3 - x) B. (8 - x)(3 + x) C. (8 + x)(3 - x) D. (x + 8)(x - 3)