Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = cos ?Find [f(?)]2.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find a formula for the function graphed.
A. 
B. 
C. 
D. 
Mathematics
Express the number in standard notation.5.396 × 10-6
A. -5,396,000 B. 0.00005396 C. 0.000005396 D. 0.0000005396
Mathematics
Find dy.4x2y - 4x1/2 - y = 0
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = 5.66x2 - 39.888x + 99.29 B. y = 1.40x2 + 27.15x + 14.44 C. y = -0.03 + 3.78x - 6.74 D. y = -1.40x2 + 27.15x - 14.44
Mathematics