If f(x)=8x^2-2, then what is f(4)?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15