Answer the question.With the exponential function f(x) = ax, why must we not allow a < 0?
What will be an ideal response?
Answers will vary. (If allowed, the function could not be defined for all values of x, such as 0.5.)
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Find y in terms of x.
= 
+ x, x > 0, curve passes through (2, 3)
A. y = 
+ 
B. y = - 
+ 
+ 
C. y = - 
+ 
D. y = 
+ 
+ 
Write the quadratic function in the form y = a(x - h)2 + k.y = x2 - 12x
A. y = (x + 12)2 - 12 B. y = (x + 6)2 - 6 C. y = (x - 12)2 - 144 D. y = (x - 6)2 - 36
Find the equation of the least-squares line for the given data. Draw a scatter diagram for the given data and graph the least-squares line. x123456y4.55323.51? Please round the coefficients in your equation to two decimal places. ?
A. ?
B. ?
C. ?
D. ?
Provide an appropriate response.If A is a 6 × 9 matrix and A+ K = A, what can you say about K?
A. K is a 6 × 9 matrix and each of its entries is the negative of the corresponding entry of A. B. K is a 9 × 6 matrix and all entries of K are equal to 0. C. K is a 9 × 6 matrix and each of its entries is the negative of the corresponding entry of A. D. K is a 6 × 9 matrix and all entries of K are equal to 0.